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all geography including DSDP/ODP Sites and Legs
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Africa
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Nile Valley (1)
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North Africa
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Algeria (2)
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Egypt
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Bahariya Oasis (1)
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Tunisia (7)
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West Africa
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Ivory Coast (2)
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Asia
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Far East
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China
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Anhui China (1)
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Gansu China (1)
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Guangdong China (1)
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Jiangsu China (3)
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Jiangxi China (1)
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Shaanxi China (2)
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Shandong China
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Shengli Field (1)
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Sichuan Basin (1)
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Sichuan China (1)
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Xinjiang China (1)
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Japan
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Honshu
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Tottori Japan (1)
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Korea
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Himalayas (1)
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Middle East
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Iran
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Jordan (2)
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Turkey
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Tibetan Plateau (1)
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Atlantic Ocean
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North Atlantic
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Jeanne d'Arc Basin (1)
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Australasia
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New Zealand
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Lake Taupo (1)
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East Pacific Ocean Islands
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Hawaii
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Honolulu County Hawaii
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Europe
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Germany
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North Rhine-Westphalia Germany (2)
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Sudeten Mountains
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Southern Europe
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Bulgaria
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Bulgarian Rhodope Mountains (1)
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Greece
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Greek Aegean Islands
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Italy
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Rhodope Mountains
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Scandinavia
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Sweden
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Uppsala Sweden (1)
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Mediterranean region
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Aegean Islands
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Midlands (1)
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North America
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Appalachians
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Basin and Range Province
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Great Basin (1)
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North Island (1)
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Oceania
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Polynesia
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Hawaii
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Honolulu County Hawaii
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Oahu (1)
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South America
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Amazon Basin (1)
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Brazil
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C-14 (3)
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Cs-137 (3)
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Sr-90 (1)
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U-238 (1)
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stable isotopes
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Nd-144/Nd-143 (1)
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Sr-87/Sr-86 (1)
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metals
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thorium (1)
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uranium
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U-238 (1)
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alkali metals
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cesium
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potassium (1)
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sodium (3)
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alkaline earth metals
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calcium (4)
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Sr-87/Sr-86 (1)
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aluminum (6)
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cadmium (8)
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cobalt (2)
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copper (10)
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gold (2)
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iron
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ferrous iron (1)
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lead (10)
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manganese (3)
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mercury (2)
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nickel (5)
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platinum group
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ruthenium (1)
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precious metals (1)
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rare earths
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europium (2)
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neodymium
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Nd-144/Nd-143 (1)
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zinc (3)
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zirconium (2)
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nitrogen (7)
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oxygen (2)
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phosphorus (4)
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selenium (3)
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sulfur (1)
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trace metals (2)
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fossils
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bacteria
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Bacillus
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Bacillus subtilis (1)
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coliform bacteria
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Escherichia
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Escherichia coli (1)
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Plantae (1)
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geochronology methods
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U/Pb (1)
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U/Th/Pb (1)
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geologic age
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Cenozoic
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Quaternary
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upper Pleistocene
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Malan Loess (1)
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Tertiary
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Neogene
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Miocene (1)
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Paleogene
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Eocene (1)
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Oligocene (1)
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Mesozoic
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Jurassic
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Oxford Clay (3)
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Upper Jurassic
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Oxfordian (3)
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-
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Triassic
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Upper Triassic
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Mercia Mudstone (3)
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Paleozoic
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Carboniferous
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Upper Carboniferous (1)
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Ordovician
-
Upper Ordovician
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Wufeng Formation (1)
-
-
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Permian (1)
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Silurian
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Lower Silurian (1)
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-
-
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igneous rocks
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igneous rocks
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picrite (1)
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plutonic rocks
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anorthosite (1)
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volcanic rocks
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basalts (2)
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glasses
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obsidian (1)
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perlite (1)
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pyroclastics
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tuff (2)
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volcanic ash (1)
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minerals
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arsenates (1)
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carbonates
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hydrotalcite (4)
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malachite (2)
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chromates (2)
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halides
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bromides (1)
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chlorides (2)
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fluorides (2)
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minerals (3)
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organic minerals
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urea (1)
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oxalates (1)
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oxides
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aluminum oxides (2)
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ferrihydrite (2)
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gibbsite (1)
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goethite (4)
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hydroxides
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oxyhydroxides (1)
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iron oxides (5)
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magnetite (1)
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manganese oxides (2)
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rutile (1)
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titanium oxides (2)
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phosphates
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monazite (1)
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xenotime (1)
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silicates
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chain silicates
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pyroxene group
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clinopyroxene
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diopside (1)
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framework silicates
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feldspar group (1)
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silica minerals
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quartz (1)
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zeolite group
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chabazite (1)
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clinoptilolite (12)
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erionite (1)
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faujasite (1)
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ferrierite (1)
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heulandite (1)
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laumontite (1)
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mordenite (2)
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phillipsite (2)
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orthosilicates
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nesosilicates
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zircon group
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zircon (1)
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sheet silicates
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clay minerals
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allophane (2)
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beidellite (1)
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halloysite (4)
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hectorite (2)
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kaolinite (26)
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montmorillonite (31)
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saponite (2)
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smectite (18)
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stevensite (2)
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vermiculite (6)
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illite (9)
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magadiite (1)
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mica group
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muscovite (1)
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palygorskite (8)
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sepiolite (8)
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sulfates
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gypsum (1)
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Primary terms
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absolute age (2)
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Africa
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Nile Valley (1)
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North Africa
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Algeria (2)
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Egypt
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Bahariya Oasis (1)
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Tunisia (7)
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West Africa
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Ivory Coast (2)
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-
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Asia
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Far East
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China
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Anhui China (1)
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Gansu China (1)
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Guangdong China (1)
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Jiangsu China (3)
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Jiangxi China (1)
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Shaanxi China (2)
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Shandong China
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Shengli Field (1)
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Sichuan Basin (1)
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Sichuan China (1)
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Xinjiang China (1)
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Japan
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Honshu
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Tottori Japan (1)
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Korea
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South Korea (1)
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Himalayas (1)
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Middle East
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Cyprus (1)
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Iran
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Kerman Iran (1)
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Tehran Iran (1)
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Jordan (2)
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Turkey
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Eskisehir Turkey (1)
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Tibetan Plateau (1)
-
-
Atlantic Ocean
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North Atlantic
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Jeanne d'Arc Basin (1)
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Reykjanes Ridge (1)
-
-
-
Australasia
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New Zealand
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Lake Taupo (1)
-
-
-
bacteria
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Bacillus
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Bacillus subtilis (1)
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coliform bacteria
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Escherichia
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Escherichia coli (1)
-
-
-
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bentonite deposits (2)
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bibliography (1)
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bitumens
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asphalt (1)
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boron (4)
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brines (1)
-
carbon
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C-14 (3)
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organic carbon (3)
-
-
Cenozoic
-
Quaternary
-
Pleistocene
-
upper Pleistocene
-
Malan Loess (1)
-
Neapolitan Yellow Tuff (1)
-
-
-
-
Tertiary
-
Neogene
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Miocene (1)
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-
Paleogene
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Eocene (1)
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Oligocene (1)
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chemical analysis (1)
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clay mineralogy (99)
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climate change (2)
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conservation (1)
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core (1)
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crystal chemistry (4)
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crystal structure (1)
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data processing (9)
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deformation (1)
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East Pacific Ocean Islands
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Honolulu County Hawaii
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Central Europe
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Germany
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North Rhine-Westphalia Germany (2)
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Sudeten Mountains
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Southern Europe
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Bulgaria
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Bulgarian Rhodope Mountains (1)
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Greece
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Greek Aegean Islands
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Cyclades
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Milos (1)
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-
-
-
Iberian Peninsula
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Spain
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Castilla y Leon Spain
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Valladolid Spain (1)
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Madrid Basin (1)
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-
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Italy
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Rhodope Mountains
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Serbia (2)
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Western Europe
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France
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Scandinavia
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United Kingdom
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igneous rocks
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picrite (1)
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plutonic rocks
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anorthosite (1)
-
-
volcanic rocks
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basalts (2)
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glasses
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obsidian (1)
-
perlite (1)
-
-
pyroclastics
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tuff (2)
-
-
-
-
industrial minerals (8)
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isotopes
-
radioactive isotopes
-
C-14 (3)
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Cs-137 (3)
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Sr-90 (1)
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U-238 (1)
-
-
stable isotopes
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Nd-144/Nd-143 (1)
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Sr-87/Sr-86 (1)
-
-
-
land use (1)
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magmas (2)
-
Mediterranean region
-
Aegean Islands
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Greek Aegean Islands
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Cyclades
-
Milos (1)
-
-
-
-
-
Mesozoic
-
Jurassic
-
Oxford Clay (3)
-
Upper Jurassic
-
Oxfordian (3)
-
-
-
Triassic
-
Upper Triassic
-
Mercia Mudstone (3)
-
-
-
-
metal ores
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gold ores (2)
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rare earth deposits (1)
-
-
metals
-
actinides
-
thorium (1)
-
uranium
-
U-238 (1)
-
-
-
alkali metals
-
cesium
-
Cs-137 (3)
-
-
lithium (2)
-
potassium (1)
-
sodium (3)
-
-
alkaline earth metals
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calcium (4)
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magnesium (6)
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strontium
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Sr-87/Sr-86 (1)
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Sr-90 (1)
-
-
-
aluminum (6)
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arsenic (7)
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cadmium (8)
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chromium (3)
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cobalt (2)
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lead (10)
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manganese (3)
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precious metals (1)
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rare earths
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europium (2)
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neodymium
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Nd-144/Nd-143 (1)
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mineral resources (1)
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minerals (3)
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Moon (2)
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nitrogen (7)
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North America
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Appalachians
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Appalachian Plateau (1)
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Piedmont (3)
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Basin and Range Province
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Great Basin (1)
-
-
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Ocean Drilling Program
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Leg 162
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ODP Site 984 (1)
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Oceania
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Polynesia
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Hawaii
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Honolulu County Hawaii
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paleomagnetism (1)
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Paleozoic
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Carboniferous
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Upper Carboniferous (1)
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Ordovician
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Upper Ordovician
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Wufeng Formation (1)
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Permian (1)
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Silurian
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1-20 OF 384 RESULTS FOR
Freundlich isotherm
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Image
Freundlich isotherm plots for As(III): ( a ) MgO, ( b ) Mg(OH) 2 and ( c )...
in Removal performance and adsorption behaviour on Mg-based adsorbents in As(III) and F simultaneous removal as in comparison with As(V)
> Geochemistry: Exploration, Environment, Analysis
Published: 23 October 2024
Fig. 12. Freundlich isotherm plots for As(III): ( a ) MgO, ( b ) Mg(OH) 2 and ( c ) MgCO 3 .
Image
Freundlich isotherm plots for F: ( a ) MgO, ( b ) Mg(OH) 2 and ( c ) MgCO ...
in Removal performance and adsorption behaviour on Mg-based adsorbents in As(III) and F simultaneous removal as in comparison with As(V)
> Geochemistry: Exploration, Environment, Analysis
Published: 23 October 2024
Fig. 13. Freundlich isotherm plots for F: ( a ) MgO, ( b ) Mg(OH) 2 and ( c ) MgCO 3 .
Image
Plots of a Langmuir and b Freundlich isotherm models for BPA adsorption...
in Adsorption of Bisphenol A from Aqueous Solution by HDTMA-Tunisian Clay Synthesized Under Microwave Irradiation: A Parametric and Thermodynamic Study
> Clays and Clay Minerals
Published: 01 August 2020
Fig. 6. Plots of a Langmuir and b Freundlich isotherm models for BPA adsorption onto HMH
Image
Langmuir and Freundlich isotherm plots for the adsorption of Ni 2+ ions by...
in Adsorptive Removal Of Ni 2+ Ions From Aqueous Solutions by Nodular Sepiolite (Meerschaum) and Industrial Sepiolite Samples From Eskişehir, Turkey
> Clays and Clay Minerals
Published: 01 June 2020
Fig. 11. Langmuir and Freundlich isotherm plots for the adsorption of Ni 2+ ions by NS and IS at three temperatures
Image
(a) Langmuir, and (b) Freundlich isotherm models for the adsorption of Co 2...
in REMOVAL OF Co 2+ , Ni 2+ , AND Pb 2+ BY MANGANESE OXIDE-COATED ZEOLITE: EQUILIBRIUM, THERMODYNAMICS, AND KINETICS STUDIES
> Clays and Clay Minerals
Published: 01 February 2017
Figure 6 (a) Langmuir, and (b) Freundlich isotherm models for the adsorption of Co 2+ , Ni 2+ , and Pb 2+ on MOCZeo; concentration = 200 mg/L, T = 60°C, MOCZeo = 1 g, V = 100 mL, and pH = 5.5.
Image
Freundlich isotherm model for the adsorption of RB5 on the natural clinopti...
in Removal of Reactive Black 5 from wastewater using natural clinoptilolite modified with apolaccase
> Clay Minerals
Published: 01 March 2015
Fig. 9. Freundlich isotherm model for the adsorption of RB5 on the natural clinoptilolite and the LMC
Image
Freundlich isotherm plots for adsorption of Cs + and Sr 2+ .
in SYNTHESIS, CHARACTERIZATION, AND EVALUATION OF A FERROMAGNETICALLY MODIFIED NATURAL ZEOLITE COMPOSITE FOR REMOVAL OF Cs + AND Sr 2+
> Clays and Clay Minerals
Published: 01 June 2013
Figure 12 Freundlich isotherm plots for adsorption of Cs + and Sr 2+ .
Image
Langmuir and Freundlich isotherm constants for the fluoride sorption.
in Kinetic and equilibrium studies of fluoride sorption onto surfactant-modified smectites
> Clay Minerals
Published: 01 December 2012
T able 5. Langmuir and Freundlich isotherm constants for the fluoride sorption.
Image
Hypothetical Freundlich isotherm approximated as a total of six generalized...
in Thermodynamic Concepts in Modeling Sorption at the Mineral-Water Interface
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2009
Figure 9. Hypothetical Freundlich isotherm approximated as a total of six generalized Langmuir isotherms (Eqn. 60) at Γ o = 2×10 −5 mol·m −2 and isotherm parameters: Γ C 1 = 5.0×10 −7 , K B 1 = 2.0×10 5 ; Γ C 2 = 1.0×10 −6 , K B 2 = 1.2×10 4 ; Γ C 3 = 2.0×10 −6 , K B 3 = 2.4
Image
Freundlich isotherm of Pb 2+ adsorption. C e range (mg dm −3 ): 0.48...
in Isothermal and kinetic adsorption behaviour of Pb 2+ ions on natural silicate minerals
> Clay Minerals
Published: 01 December 2003
F ig . 4. Freundlich isotherm of Pb 2+ adsorption. C e range (mg dm −3 ): 0.48–2.00, n = 1.66, K F (dm 3 g −1 ) = 16.03, Correlation coefficient = 0.96. C e range (mg dm −3 ): 2.00–153.29, n = 5.61, K F (dm 3 g −1 ) = 19.48, Correlation coefficient = 0.92.
Image
Langmuir and Freundlich isotherms. Langmuir isotherms Freundlich ...
Published: 01 June 2018
Table 3. Langmuir and Freundlich isotherms. Langmuir isotherms Freundlich isotherms Q m b R L R 2 K F n R 2 SDB 11.11 0.07 0.035 0.99 0.68 4.92 0.96 SDBa 17.88 0.11 0.030 0.97 1.69 1.952 0.92
Image
Freundlich isotherms (a) and logarithmic plots of the isotherms (b) of the ...
in DECOLORIZATION OF VEGETABLE OILS: A STUDY OF THE MECHANISM OF ADSORPTION OF β-CAROTENE BY AN ACID-ACTIVATED BENTONITE FROM CYPRUS
> Clays and Clay Minerals
Published: 01 June 2003
Figure 4. Freundlich isotherms (a) and logarithmic plots of the isotherms (b) of the adsorption of β-carotene from maize oil.
Image
Isotherms for Mn 2+ on manganese sand: Langmuir isotherm ( a ), Freundlich...
in Removal of Mn 2+ in geothermal water by manganese sand: process and mechanisms
> Geochemistry: Exploration, Environment, Analysis
Published: 28 February 2022
Fig. 4. Isotherms for Mn 2+ on manganese sand: Langmuir isotherm ( a ), Freundlich isotherm ( b ) and Temkin isotherm ( c ).
Image
Experimental isotherms (symbols) and Freundlich isotherms (dash) for the eq...
in Synthesis and Characterization of Al-Pillared Bentonite for Remediation of Chlorinated Pesticide-Contaminated Water
> Clays and Clay Minerals
Published: 01 June 2020
Fig. 8. Experimental isotherms (symbols) and Freundlich isotherms (dash) for the equilibrium adsorption of heptachlor epoxide, dieldrin, and endrin onto BT-Al 30 from a single ion solution; equilibrium time 5 h, pH 5.8, and 25°C
Image
Linear Freundlich isotherms of 0.25 N HCl-treated and siloxane-modified cli...
in ENHANCEMENT OF THE ADSORPTION OF PHENOL RED FROM WASTEWATER ONTO CLINOPTILOLITE BY MODIFICATION WITH N-TERMINATED SILOXANES
> Clays and Clay Minerals
Published: 01 December 2013
Figure 14 Linear Freundlich isotherms of 0.25 N HCl-treated and siloxane-modified clinoptilolite.
Journal Article
Competitive Adsorption of Uranyl and Toxic Trace Metal Ions at M Fe 2 O 4 -montmorillonite ( M = Mn, Fe, Zn, Co, or Ni) Interfaces
Xiaoqiang Jiang, Jianan Nie, Liang Bian, Faqin Dong, Mianxin Song, Yi He, Huichao He, Zhiqin Zheng, Tingting Huo, Bowen Li, Nelson Belzile, Shuhui Sun, Hao Zou
Journal: Clays and Clay Minerals
Publisher: Clay Minerals Society
Published: 01 August 2019
Clays and Clay Minerals (2019) 67 (4): 291–305.
..., and to investigate their use as adsorbents for UO 2 2+ , including competitive adsorption with trace metal ions. Selective adsorption was studied using Langmuir, Freundlich, and Dubinin-Radushkevich isotherms, and the results showed that X n + ions were adsorbed primarily on M Fe 2 O 4 -montmorillonite surfaces...
Includes: Supplemental Content
Image
Parameters of Langmuir and Freundlich isotherms for sorption of PNP onto mo...
Published: 15 April 2019
Table 3 Parameters of Langmuir and Freundlich isotherms for sorption of PNP onto modified clay samples at surfactant/CEC ratio of 2 Sample Langmuir Freundlich q max (mg/g) K L (L/mg) R L R 2 n K F (L/mg) R 2 Mt_BTMAC_2 0.34 0.0340 0.5408 0.2424 1.82 0.0248
Image
Freundlich and Langmuir isotherm parameters for the removal of clomazone by...
in Adsorption behaviour of clomazone on inorganic and organically modified natural montmorillonite from Bogovina (Serbia)
> Clay Minerals
Published: 21 January 2021
Table 2. Freundlich and Langmuir isotherm parameters for the removal of clomazone by R, NaM, 1H–4H and 1P–4P samples. Freundlich isotherm Sample K f a (μg ( n – 1)/ n mL g –1 ) 1/ n b R 2 c R 1.493 ± 0.095 0.745 ± 0.059 0.995 NaM 1.687 ± 0.128
Journal Article
Sodium Polyacrylate-Modified Bentonite and Its Dehydration Testing in Real Oil
Journal: Clays and Clay Minerals
Publisher: Clay Minerals Society
Published: 01 April 2022
Clays and Clay Minerals (2022) 70 (2): 290–304.
... of adsorbing saturated water vapor on PAA-Na modified bentonite was studied and interpreted from the aspects of adsorption isotherms and thermodynamic properties. The results showed that the adsorption isotherm data followed the Freundlich isotherm model and the thermodynamic parameters indicated...
Journal Article
Synthesis of Fe-layered double hydroxide from bittern and its nitrate-ion removal ability
Journal: Clay Minerals
Published: 14 May 2021
Clay Minerals (2021) 56 (1): 65–74.
.... The greatest nitrate removal was obtained for synthesis conditions of pH 8.5–9.5 at 50°C for 0.5 h. The equilibrium adsorption capacity of the product for nitrate was measured and fitted with the Langmuir and Freundlich isotherm models. The experimental data better fit the Langmuir model than the Freundlich...
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