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trimethylphenylammonium

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Journal Article

Relation of water and neutral organic compounds in the interlayers of mixed Ca/trimethylphenylammonium-smectites

Guangyao Sheng, Stephen A. Boyd
Published: 01 February 1998
Clays and Clay Minerals (1998) 46 (1): 10–17.
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Journal Article

Surface heterogeneity of trimethylphenylammonium-smectite as revealed by adsorption of aromatic hydrocarbons from water

Guangyao Sheng, Shihe Xu, Stephen A. Boyd
Published: 01 October 1997
Clays and Clay Minerals (1997) 45 (5): 659–669.
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Journal Article

Orientation of trimethylphenylammonium (TMPA) on Wyoming montmorillonite; implications for sorption of aromatic compounds

Jeffrey J. Stevens, Sharon J. Anderson
Published: 01 February 1996
Clays and Clay Minerals (1996) 44 (1): 132–141.
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Journal Article

FTIR study of competitive water-arene sorption on tetramethylammonium- and trimethylphenylammonium-montmorillonites

Jeffrey J. Stevens, Sharon J. Anderson, Stephen A. Boyd
Published: 01 February 1996
Clays and Clay Minerals (1996) 44 (1): 88–95.
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Sorption isotherms of naphthalene by smectite (SWy-2) saturated with ammonium, tetramethylammonium (TMA), trimethylphenylammonium (TMPA) or hexadecyltrimethylammonium (HDTMA).

Sorption isotherms of naphthalene by smectite (SWy-2) saturated with ammoni...

Published: 01 August 2006
Figure 2. Sorption isotherms of naphthalene by smectite (SWy-2) saturated with ammonium, tetramethylammonium (TMA), trimethylphenylammonium (TMPA) or hexadecyltrimethylammonium (HDTMA).
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Sorption isotherms of nitroaromatic compounds (NACs) (a) 2,4-dinitrotoluene (2,4-DNT) and (b) 1,3-dinitrobenzene (1,3-DNB) by smectite (SWy-2) saturated with ammonium, tetramethylammonium (TMA), hexadecyltrimethylammonium (HDTMA) or trimethylphenylammonium (TMPA).

Sorption isotherms of nitroaromatic compounds (NACs) (a) 2,4-dinitrotoluene...

Published: 01 August 2006
Figure 1. Sorption isotherms of nitroaromatic compounds (NACs) (a) 2,4-dinitrotoluene (2,4-DNT) and (b) 1,3-dinitrobenzene (1,3-DNB) by smectite (SWy-2) saturated with ammonium, tetramethylammonium (TMA), hexadecyltrimethylammonium (HDTMA) or trimethylphenylammonium (TMPA).
Journal Article

SORPTION OF NITROAROMATICS BY AMMONIUM- AND ORGANIC AMMONIUM-EXCHANGED SMECTITE: SHIFTS FROM ADSORPTION/COMPLEXATION TO A PARTITION-DOMINATED PROCESS

Michael G. Roberts, Hui Li, Brian J. Teppen, Stephen A. Boyd
Published: 01 August 2006
Clays and Clay Minerals (2006) 54 (4): 426–434.
DOI: https://doi.org/10.1346/CCMN.2006.0540403
...Figure 2. Sorption isotherms of naphthalene by smectite (SWy-2) saturated with ammonium, tetramethylammonium (TMA), trimethylphenylammonium (TMPA) or hexadecyltrimethylammonium (HDTMA). ...
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View PDF for article title, SORPTION OF NITROAROMATICS BY AMMONIUM- AND ORGANIC AMMONIUM-EXCHANGED SMECTITE: SHIFTS FROM ADSORPTION/COMPLEXATION TO A PARTITION-DOMINATED PROCESS
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Journal Article

EFFECTS OF IRON OXIDATION STATE AND ORGANIC CATIONS ON DIOCTAHEDRAL SMECTITE HYDRATION

Joseph W. Stucki, Jun Wu, Huamin Gan, Peter Komadel, Amos Banin
Published: 01 April 2000
Clays and Clay Minerals (2000) 48 (2): 290–298.
... in various dioctahedral smectites decreased if Na was replaced by tetramethylammonium (TMA), trimethylphenylammonium (TMPA), or hexadecyltrimethylammonium (HDTMA). Among the organo-clays, H 2 O adsorption decreased with increasing complexity of the cation. For oxidized smectites, those exchanged with TMPA...
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View PDF for article title, EFFECTS OF IRON OXIDATION STATE AND ORGANIC CATIONS ON DIOCTAHEDRAL SMECTITE HYDRATION
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Journal Article

Sorption of benzene, toluene, ethylbenzene, and xylene (BTEX) compounds by hectorite clays exchanged with aromatic organic cations

W. F. Jaynes, G. F. Vance
Published: 01 June 1999
Clays and Clay Minerals (1999) 47 (3): 358–365.
... with small, aromatic organic cation salt solutions. Trimethylphenylammonium (TMPA) chloride was obtained and iodide salts of commercially-unavailable aromatic cations were synthesized and used to prepare organoclays. An aqueous mixture of benzene, toluene, ethylbenzene, and xylenes (BTEX) consistent...
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Molecular structure of the organic cations and surfactants. Organic ca...

Published: 01 June 2015
)ammonium DDPA Trimethylphosphonium TMP Dodecyltrimethylammonium DDTMA Trimethylphenylammonium TMPA Dioctadecyldimethylammonium DODMA Tetrapropylammonium TPA
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Molecular structure of the organic cations and surfactants. Organic ca...

Published: 01 June 2015
)ammonium DDPA Trimethylphosphonium TMP Dodecyltrimethylammonium DDTMA Trimethylphenylammonium TMPA Dioctadecyldimethylammonium DODMA Tetrapropylammonium TPA
Journal Article

ORGANO-CLAYS AS SORBENTS OF HYDROPHOBIC ORGANIC CONTAMINANTS: SORPTIVE CHARACTERISTICS AND APPROACHES TO ENHANCING SORPTION CAPACITY

Runliang Zhu, Qing Zhou, Jianxi Zhu, Yunfei Xi, Hongping He
Published: 01 June 2015
Clays and Clay Minerals (2015) 63 (3): 199–221.
DOI: https://doi.org/10.1346/CCMN.2015.0630304
...)ammonium DDPA Trimethylphosphonium TMP Dodecyltrimethylammonium DDTMA Trimethylphenylammonium TMPA Dioctadecyldimethylammonium DODMA Tetrapropylammonium TPA ...
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View PDF for article title, ORGANO-CLAYS AS SORBENTS OF HYDROPHOBIC ORGANIC CONTAMINANTS: SORPTIVE CHARACTERISTICS AND APPROACHES TO ENHANCING SORPTION CAPACITY
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Journal Article

Transmission electron microscopy of hexadecyltrimethylammonium-exchanged smectite

SEUNG YEOP LEE, SOO JIN KIM
Journal: Clay Minerals
Published: 01 September 2002
Clay Minerals (2002) 37 (3): 465–471.
DOI: https://doi.org/10.1180/0009855023730044
... alkyl groups reside in the interlayer region of the clay structure and function as a partition medium for non-ionic organic compounds (NOCs). In studies of NOC sorption on the small-size cation trimethylphenylammonium (TMPA)-exchanged smectite, Sheng et al. (1997) investigated whether adsorbate...
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View PDF for article title, Transmission electron microscopy of hexadecyltrimethylammonium-exchanged smectite
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Journal Article

MONOLAYER TO BILAYER TRANSITIONAL ARRANGEMENTS OF HEXADECYLTRIMETHYLAMMONIUM CATIONS ON Na-MONTMORILLONITE

James L. Bonczek, W. G. Harris, Peter Nkedi-Kizza
Published: 01 February 2002
Clays and Clay Minerals (2002) 50 (1): 11–17.
... these limits, is less well understood. The majority of work related to the conformation of adsorbed interlayer alkylammonium cations has focused on relatively short-chain varieties like trimethylammonium (TMA), trimethylphenylammonium (TMPA), or a number of primary to quaternary amines ( Jaynes and Boyd...
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View PDF for article title, MONOLAYER TO BILAYER TRANSITIONAL ARRANGEMENTS OF HEXADECYLTRIMETHYLAMMONIUM CATIONS ON Na-MONTMORILLONITE
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Journal Article

SORPTIVE CHARACTERISTICS OF TETRAALKYLAMMONIUM-EXCHANGED SMECTITE CLAYS

Yuan Chun, Guangyao Sheng, Stephen A. Boyd
Published: 01 August 2003
Clays and Clay Minerals (2003) 51 (4): 415–420.
DOI: https://doi.org/10.1346/CCMN.2003.0510407
... adsorption. Most studied within this category are tetramethylammonium (TMA)-smectite ( Lee et al. , 1989 , 1990 ; Jaynes and Boyd, 1990 ) and trimethylphenylammonium (TMPA)-smectite ( Jaynes and Boyd, 1990 , 1991 ; Sheng and Boyd, 1998 ). These organoclays are effective adsorbents of water-soluble NOCs...
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View PDF for article title, SORPTIVE CHARACTERISTICS OF TETRAALKYLAMMONIUM-EXCHANGED SMECTITE CLAYS
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Journal Article

STRUCTURAL AND SPECTROSCOPIC CHARACTERIZATION OF MONTMORILLONITE INTERCALATED WITH N -BUTYLAMMONIUM CATIONS ( N = 1–4) – MODELING AND EXPERIMENTAL STUDY

Eva Scholtzová, Jana Madejovaá, L’uboš Jankovič, Daniel Tunega
Published: 01 August 2016
Clays and Clay Minerals (2016) 64 (4): 401–412.
DOI: https://doi.org/10.1346/CCMN.2016.0640404
... sorption of neutral organic compounds on montmorillonites saturated with small alkylammonium cations. An infrared study was, therefore, conducted to follow the interaction of water with TMA- and trimethylphenylammonium (TMPA) montmorillonites. The results showed that water preferentially hydrates TMA...
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View PDF for article title, STRUCTURAL AND SPECTROSCOPIC CHARACTERIZATION OF MONTMORILLONITE INTERCALATED WITH N -BUTYLAMMONIUM CATIONS ( N = 1–4) – MODELING AND EXPERIMENTAL STUDY
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Journal Article

Influence of exchange cation and layer charge on the isomerization of α-pinene over SWy-2, SAz-1 and Sap-Ca

C. BREEN, A. J. MORONTA
Journal: Clay Minerals
Published: 01 December 2001
Clay Minerals (2001) 36 (4): 467–472.
DOI: https://doi.org/10.1180/0009855013640001
... was able to expand the layers and facilitate the ingress of α-pinene, favouring the catalytic process ( Breen & Moronta, 2000 ). Boyd & Jaynes (1994) demonstrated that Li + charge reduction in SAz-1 followed by exchange with trimethylphenylammonium (TMPA + ) ions improved the adsorption...
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View PDF for article title, Influence of exchange cation and layer charge on the isomerization of α-pinene over SWy-2, SAz-1 and Sap-Ca
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Journal Article

PREPARATION AND PROPERTIES OF REDUCED-CHARGE SMECTITES – A REVIEW

Peter Komadel, Jana Madejová, Juraj Bujdák
Published: 01 August 2005
Clays and Clay Minerals (2005) 53 (4): 313–334.
DOI: https://doi.org/10.1346/CCMN.2005.0530401
... efficient at creating “free” volume for the adsorption of nitrogen or water molecules ( Clementz and Mortland, 1974 ). Similarly, less effect on the surface area was found for trimethylphenylammonium-exchanged RCMs with respect to TMA + materials ( Stevens and Anderson, 1996a ). The samples with reduced...
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View PDF for article title, PREPARATION AND PROPERTIES OF REDUCED-CHARGE SMECTITES – A REVIEW
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Journal Article

Adsorption behaviour of clomazone on inorganic and organically modified natural montmorillonite from Bogovina (Serbia)

Lazar Kaluđerović, Zorica P. Tomić, Rada Đurović-Pejčev, Ljubomir Životić
Journal: Clay Minerals
Published: 21 January 2021
Clay Minerals (2020) 55 (4): 342–350.
DOI: https://doi.org/10.1180/clm.2021.3
.... & Boyd S.A. ( 1990 ) Trimethylphenylammonium-smectite as an effective adsorbent of water soluble aromatic hydrocarbons . Journal of the Air and Waste Management Association , 40 , 1649 – 1653 . Kirksey K. , Hayes R. , Krueger W. , Mullins C. & Mueller T...
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View PDF for article title, Adsorption behaviour of clomazone on inorganic and organically modified natural montmorillonite from Bogovina (Serbia)
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Journal Article

Modifying a Smectite using Organic Nutrients to Enhance its Efficacy at Removing Aflatoxin B 1 from Corn Fermentation Solution

Sabrina Sharmeen Alam, Youjun Deng
Published: 01 April 2022
Clays and Clay Minerals (2022) 70 (2): 196–208.
DOI: https://doi.org/10.1007/s42860-022-00179-4
.... , & Kolak , U. ( 2013 ). Aflatoxins in various food from Istanbul, Turkey . Food Additives and Contaminants: Part B Surveillance , 6 ( 4 ), 260 – 264 . https://doi.org/10.1080/19393210.2013.813080 Jaynes , W. F. , & Boyd , S. A. ( 1990 ). Trimethylphenylammonium-Smectite...
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View PDF for article title, Modifying a Smectite using Organic Nutrients to Enhance its Efficacy at Removing Aflatoxin B 1 from Corn Fermentation Solution
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