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pyridine

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Journal Article

EVALUATION OF THE ACIDITY OF PILLARED MONTMORILLONITES BY PYRIDINE ADSORPTION

M.R. Sun Kou, S. Mendioroz, V. Muñoz
Published: 01 October 2000
Clays and Clay Minerals (2000) 48 (5): 528–536.
... on the physicochemical characteristics of the resulting materials was studied. Changes in texture were determined by X-ray diffraction (XRD) and N 2 adsorption at 76 K and changes in acidity were determined by thermogravimetry following pyridine adsorption at room temperature and further desorption at a constant heating...
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Journal Article

Kaolinite-pyridine intercalation compound derived from hydrated kaolinite

Yoshiyuki Sugahara, Shigeo Satokawa, Ken-Ichi Yoshioka
Published: 01 April 1989
Clays and Clay Minerals (1989) 37 (2): 143–150.
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Review of the diffusion of water and pyridine in the interlayer space of montmorillonite; relevance to kinetics of catalytic reactions in clays

Christopher Breen, J. M. Adams, Christian Riekel
Published: 01 June 1985
Clays and Clay Minerals (1985) 33 (4): 275–289.
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The acidity of trivalent cation-exchanged montmorillonite; II, Desorption of mono- and di-substituted pyridines

C. Breen
Journal: Clay Minerals
Published: 01 September 1988
Clay Minerals (1988) 23 (3): 323–328.
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<span class="search-highlight">Pyridine</span> FTIR spectra of cat-0, cat-1, cat-2 and cat-3 (<span class="search-highlight">pyridine</span> desorption...

Pyridine FTIR spectra of cat-0, cat-1, cat-2 and cat-3 (pyridine desorption...

Published: 01 September 2009
F ig . 4. Pyridine FTIR spectra of cat-0, cat-1, cat-2 and cat-3 (pyridine desorption at 200°C): (1) cat-3; (2) cat-2; (3) cat-1; (4) cat-0.
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<span class="search-highlight">Pyridine</span> IR patterns of SRA. <span class="search-highlight">Pyridine</span> evacuation temperatures: (1) 200° C; ...

Pyridine IR patterns of SRA. Pyridine evacuation temperatures: (1) 200° C; ...

Published: 01 September 2005
F ig . 5. Pyridine IR patterns of SRA. Pyridine evacuation temperatures: (1) 200° C; (2) 300° C; (3) 400° C; and (4) 500° C.
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DR FTIR spectra of adsorbed <span class="search-highlight">pyridine</span> for x H + -Mnt and WO 3 &#x2F;2H + -Mnt- T...

DR FTIR spectra of adsorbed pyridine for x H + -Mnt and WO 3 /2H + -Mnt- T...

Published: 01 June 2022
Fig. 8 DR FTIR spectra of adsorbed pyridine for x H + -Mnt and WO 3 /2H + -Mnt- T . Note: B and L refer to Brönsted and Lewis acid sites, respectively. H-Py refers to hydrogen-bonded pyridine
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XRD (Co- K α radiation) traces of a selected area of spacings of complexes ...

XRD (Co- K α radiation) traces of a selected area of spacings of complexes ...

Published: 01 June 2016
Fig. 7. XRD (Co- K α radiation) traces of a selected area of spacings of complexes of Matauri Bay (MB) tubular halloysite with pyridine (halloysite reacted with laboratory grade pyridine in stoppered glass tubes for 11 months), after washing the complex ten times with water, and after heating
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—Ultraviolet absorption spectra of distillates of hydrochloric acid extract...

—Ultraviolet absorption spectra of distillates of hydrochloric acid extract...

Published: 01 May 1963
Fig. 12. —Ultraviolet absorption spectra of distillates of hydrochloric acid extracts of Jurassic rock samples. 12 a:1, Smackover basinal black shale, Carter No. 1 Hope Fee, 6397.5 feet (may represent an aniline); 2, La Casita black shale, Galeana, Mexico (may represent mixture of pyridine
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FTIR spectra of <span class="search-highlight">pyridine</span> adsorbed on the various bentonite samples at 723 K...

FTIR spectra of pyridine adsorbed on the various bentonite samples at 723 K...

Published: 01 December 2021
Fig. 10. FTIR spectra of pyridine adsorbed on the various bentonite samples at 723 K.
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FTIR spectra of <span class="search-highlight">pyridine</span> adsorbed onto (a) Vrm, (b) AAVrm and (c) AAVrm-Cu2...

FTIR spectra of pyridine adsorbed onto (a) Vrm, (b) AAVrm and (c) AAVrm-Cu2...

Published: 01 December 2020
Fig. 3. FTIR spectra of pyridine adsorbed onto (a) Vrm, (b) AAVrm and (c) AAVrm-Cu2.
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Solution conditions of dissolution experiments for the control (C1 to C3) a...

Solution conditions of dissolution experiments for the control (C1 to C3) a...

Published: 01 October 2019
System O1 System O2 System O3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 0.1 mM piperidine 1.0 mM piperidine 10.0 mM piperidine 0.1 mM pyridine 1.0 mM
Journal Article

Enhancement of Amorphous Silica Dissolution by Interaction with Six-Membered Ring Heterocyclic Compounds

Motoharu Kawano, Jinyeon Hwang
Published: 01 October 2019
Clays and Clay Minerals (2019) 67 (5): 450–459.
DOI: https://doi.org/10.1007/s42860-019-00045-w
... System O1 System O2 System O3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 6, 5, 4 0.1 mM piperidine 1.0 mM piperidine 10.0 mM piperidine 0.1 mM pyridine 1.0 mM...
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Organic compounds considered in this study: (a) <span class="search-highlight">pyridine</span>, (b) 2,5-dimethylp...

Organic compounds considered in this study: (a) pyridine, (b) 2,5-dimethylp...

Published: 01 February 2017
Figure 2 Organic compounds considered in this study: (a) pyridine, (b) 2,5-dimethylpyridine, (c) 2,6-dimethylpyridine, (d) 2,2-bipyridyl, (e), 3,3-bipyridyl, (f) lauric acid, (g) indigo, (h) methylene blue, (i) distearyldimethylammonium chloride DDAC, (j) hexadecyltrimethylammonium chloride HTAC
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Relaxed structures of (a) <span class="search-highlight">pyridine</span>, (b) 2,5-dimethylpyridine, (c) 2,6-dimet...

Relaxed structures of (a) pyridine, (b) 2,5-dimethylpyridine, (c) 2,6-dimet...

Published: 01 February 2017
Figure 3 Relaxed structures of (a) pyridine, (b) 2,5-dimethylpyridine, (c) 2,6-dimethylpyridine, (d) 2,2-bipyridyl, (e), 3,3-bipyridyl, (f) lauric acid, (g) indigo, (h) methylene blue, (i) distearyldimethylammonium chloride DDAC, (j) hexadecyltrimethylammonium chloride HTAC, (k
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Relaxed structures of (a) <span class="search-highlight">pyridine</span>, (b) 2,5-dimethylpyridine, (c) 2,6-dimet...

Relaxed structures of (a) pyridine, (b) 2,5-dimethylpyridine, (c) 2,6-dimet...

Published: 01 February 2017
Figure 4 Relaxed structures of (a) pyridine, (b) 2,5-dimethylpyridine, (c) 2,6-dimethylpyridine, (d) 2,2-bipyridyl, (e), 3,3-bipyridyl, (f) lauric acid, (g) indigo, (h) methylene blue, (i) distearyldimethylammonium chloride DDAC, (j) hexadecyltrimethylammonium chloride HTAC, (k
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A 2,6-dimethyl-<span class="search-highlight">pyridine</span> molecule (a, left) in sepiolite channel and (b, rig...

A 2,6-dimethyl-pyridine molecule (a, left) in sepiolite channel and (b, rig...

Published: 01 February 2017
Figure 8 A 2,6-dimethyl-pyridine molecule (a, left) in sepiolite channel and (b, right) in sepiolite tunnel, with hydrogen bond distances in Å.
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FTIR spectra of <span class="search-highlight">pyridine</span> (a) adsorbed on PLS-1 calcined at 500°C, and desor...

FTIR spectra of pyridine (a) adsorbed on PLS-1 calcined at 500°C, and desor...

Published: 01 December 2016
Fig. 7. FTIR spectra of pyridine (a) adsorbed on PLS-1 calcined at 500°C, and desorbed at: (b) room temperature, (c) 100°C, (d) 200°C and (e) 300°C.
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IR spectra (1300×2000 cm −1 region) of <span class="search-highlight">pyridine</span> adsorbed on the Al-pillare...

IR spectra (1300×2000 cm −1 region) of pyridine adsorbed on the Al-pillare...

Published: 01 September 2002
F ig . 13. IR spectra (1300×2000 cm −1 region) of pyridine adsorbed on the Al-pillared clay sample (VI): (a) sample degassed overnight under 10 −3 Torr at 373 K; (b) pyridine adsorbed at room temperature; (c) sample degassed at 373 K; (d) sample degassed at 473 K; (e) sample degassed at 723 K.
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XRD of the sample prepared with <span class="search-highlight">pyridine</span>.

XRD of the sample prepared with pyridine.

Published: 01 November 2005
Fig. 5. XRD of the sample prepared with pyridine.