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microwave oven

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Journal Article
Published: 01 December 1992
Environmental and Engineering Geoscience (1992) xxix (4): 387-396.
... drying methods were used for the evaluation including the American Society for Testing and Materials (ASTM) microwave method (D 4643-87), the ASTM conventional oven method (D 2216-80), and a continuous drying microwave method devised for this study. The conventional oven method was used as the standard...
Journal Article
Published: 01 January 2016
Journal of Micropalaeontology (2016) 35 (1): 62-65.
... the fossil material within bone beds and the extraction of microfossils from the upper Silurian Downton Bone Bed is particularly challenging. Outlined here is an integrated method for processing this bone bed using liquid paraffin and a microwave oven, and a comparison in terms of quality and quantity...
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Journal Article
Published: 01 August 2008
Clays and Clay Minerals (2008) 56 (4): 429-436.
... measured by inductively coupled plasma analysis of the plant biomass after microwave oven digestion. The clay fraction in each pot was separated from the sand and analyzed using X-ray diffraction (XRD) and examined using transmission electron microscopy (TEM). The XRD reflection at 0.718 nm clearly...
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Journal Article
Published: 01 August 2006
Vadose Zone Journal (2006) 5 (3): 856-859.
..., however, especially in underdeveloped countries, traditional laboratory convection ovens are prohibitively expensive (>US$300). Microwave ovens can be more cost effective than convection ovens, but uneven soil heating and small capacities limit their use. Alternatively, samples can be air dried...
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Journal Article
Journal: Geophysics
Published: 07 September 2006
Geophysics (2006) 71 (5): G269-G277.
.... The microwave dielectric constant of dry samples depends mainly on the amount of the constituents of the oxide, their chemical composition, and sample bulk density. The contribution of the measured dielectric-constant values of each oxide present in the sample is identified by using their density-reduced values...
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Journal Article
Published: 01 August 2003
Clays and Clay Minerals (2003) 51 (4): 452-456.
... powers and exposure times. * E-mail address of corresponding author: girgin@hacettepe.edu.tr © 2003, The Clay Minerals Society 2003 The microwave exfoliation characteristics of the three clay samples were studied in a domestic White Westinghouse (Model KM-90 VP) microwave oven...
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Journal Article
Published: 01 February 2012
Clays and Clay Minerals (2012) 60 (1): 32-39.
.... Baldisera L. Laberge L. Rousell J . (1986) The use of microwave ovens for rapid organic synthesis , Tetrahedron Letters , 27 , 279 – 282 . Gregg S.J. Sing K.S.W. (1982) Adsorption, Surface Area and Porosity . Academic Press , New York . Kaviratna H. Pinnavaia...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2009
Clay Minerals (2009) 44 (2): 267-278.
... clays were synthesized by exchanging the interlayer cations using polyhydroxy Al cations. 700 ml of the pillaring solution, obtained by the addition of 0.4 m NaOH solution to 0.4 m AlCl 3 solution, was subjected to ageing by microwave irradiation at 360 W for 10 min in a commercial oven...
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Journal Article
Published: 01 December 2003
Clays and Clay Minerals (2003) 51 (6): 693-700.
...Sridhar Komarneni; Bharat L. Newalkar Abstract Several micas containing different octahedral and interlayer cations were synthesized at different temperatures under conventional- and microwave-hydrothermal conditions and these phases were characterized by powder X-ray diffraction, solid-state magic...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2014
Clay Minerals (2014) 49 (5): 667-681.
... is often employed to accelerate the activation process ( Panda et al ., 2010 ; De Sales et al ., 2013 ). Although conventional heating by electrical ovens is often employed, microwave heating at 2.45 GHz is gaining popularity recently in many fields ( Nguetnkam et al ., 2005 ; Zhang et al ., 2009...
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Journal Article
Published: 01 August 2013
Vadose Zone Journal (2013) 12 (3): vzj2012.0070.
...Justin R. Adams; Aaron A. Berg; Heather McNairn Abstract Calibration/validation experiments are critical to developing and testing soil moisture retrieval algorithms from microwave remote sensing platforms. Ground sampling must be optimally designed to minimize sources of error or bias during data...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2008
Clay Minerals (2008) 43 (4): 549-560.
... of microwave remote sensing applications in the 0.3 to 300 GHz range. Of special interest are: the pseudosand effect caused by Fe-oxide cementation of clusters of soil particles; the mineralogy; and whether the soil magnetic susceptibility affected by ferromagnetic magnetite and maghemite interferes...
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Journal Article
Journal: Geophysics
Published: 31 August 2006
Geophysics (2006) 71 (5): G197-G210.
... content and are 3.86 and 0.20 mS / m for oven-dried samples, 4.50 and 0.71 mS / m for ambient saturated sam-ples, and 15.42 and 13.11 mS / m for fully saturated samples. Electrical conductivity is poorly estimated from the oven-dried samples (for all clay content) because ion mobility is significantly...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2015
Clay Minerals (2015) 50 (5): 573-581.
...M. Lakshmy; B.M. Chandrasekhar; B.S. Jai Prakash; Y.S. Bhat Abstract During solventless alkylation of phenol with 4-hydroxy-2-butanone under microwave irradiation, paratoluenesulfonic acid (pTSA)-modified montmorillonite clays gave, regioselectively, 4-(4′-hydroxyphenyl)-2-butanone (raspberry...
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Journal Article
Published: 01 April 2014
Vadose Zone Journal (2014) 13 (4): vzj2013.08.0148.
...-average soil moisture measured using impedance probes and the oven-drying method on volumetric samples. The resulting calibrations were applied to map soil moisture on two dates in a 16- by 10-km region around the Marena, Oklahoma, In Situ Sensor Testbed (MOISST) in north central Oklahoma and one date...
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Journal Article
Journal: Geophysics
Published: 09 May 2014
Geophysics (2014) 79 (3): D187-D195.
... of hydration water in its structure confirming the role of pore water in this change. A comparison between water-saturated, oven-dried, and vacuum-dried samples was done. Finally, a logarithmic dependency of the critical temperature for the supercooled water phase transition with the measuring frequency...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 435-444.
... kitchen microwave oven (700 W, 2450 MHz). The formation of magnetite nanoparticles can be summarized as follows: The post-magnetization procedure employed prepared magnetic Fe oxide particles ( Fig. 1 b) which were mixed with the HNTs to be modified and dried completely. The stable magnetically...
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Journal Article
Published: 01 December 2016
Clays and Clay Minerals (2016) 64 (6): 706-718.
... test, the traditional thawing method was used for other ice-bentonite mixtures to let the mixture thaw naturally for 60 h at temperatures of 21–23°C. The microwave-assisted thawing was conducted as follows. At first, the ice-bentonite mixture was heated in a closed plastic bag by turning the oven...
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Journal Article
Journal: Clay Minerals
Published: 01 March 2018
Clay Minerals (2018) 53 (1): 41-51.
... works (Zhou et al. , 2007 ; Yang et al. , 2007 ) indicated that sulfonated lignin fractions of high molecular weight showed greater dispersing capacity and lower viscosity. The esterification reactions were carried out in a microwave oven (Panasonic, 1200 W). The reaction conditions...
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Journal Article
Published: 01 August 2007
American Mineralogist (2007) 92 (8-9): 1420-1427.
... interaction (i.e., coupling) of lunar soil with 2.45 GHz microwaves in a normal kitchen oven, such that “lunar soil will melt at 1200 °C, before your tea-water will boil,” a discovery made recently by Taylor and Meek (2004 , 2005) . These characteristics have important bearings on dust mitigation...
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