Chromatographic properties of zeolites modified for analysis of atmospheric pollutants

Andronikashvili, T.G.; Banakh, O.S.; Rogovik, V. I.

doi:10.1351/pac198961112061

Pure and Applied Chemistry

1989

DOI: 10.1351/pac198961112061

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Chromatographic properties of zeolites modified for analysis of atmospheric pollutants

T.G. Andronikashvili¹,

O.S. Banakh²,

V. I. Rogovik³

Abstract: Abstract

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Cited by 5 publications

(2 citation statements)

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“…The reactions of CO 2 with the surface hydroxyl groups of silica, in zeolites and on mica surfaces, have been studied, and the formation of carbonate species has been monitored by chromatography, mass spectroscopy, and temperature programmed desorption. One of the proposed mechanisms for the separation of carbon dioxide from other gases using chromatographic silica and zeolites is carbonate formation with hydroxyl groups on the surfaces.…”

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confidence: 99%

Molecular Design of Intercalation-Based Sensors. 2. Sensing of Carbon Dioxide in Functionalized Thin Films of Copper Octanediylbis(phosphonate)

et al. 1997

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Self-assembled thin films of layered copper alkanediylbis-(phosphonates) retain the amine-specific intercalation chemistry of the corresponding microcrystalline solids. Aliphatic and aromatic amines bind in a 1:1 ratio to coordinatively unsaturated copper ions in anhydrous Cu 2 (O 3 P(CH 2 ) 8 PO 3 ); and by selecting an amine with an appropriate functional tail group, a chemically and sterically well-defined interlamellar binding site for CO 2 is created. Powder X-ray diffraction, Fourier transform infrared spectroscopy, and solid-state NMR experiments were used to study the intercalation of 3-aminopropanol, (3-aminopropyl)methyldihydroxysilane, and p-xylylenediamine, and their reversible reaction with CO 2 to form carbonates and carbamates, respectively. By growing these films on the electrodes of a quartz crystal microbalance device, a sensor can be fabricated for monitoring CO 2 in gas streams at concentrations of 0.5-19% (v/v). A Henrian response (frequency change directly proportional to CO 2 partial pressure) was observed, and the time required for equilibration of these devices with CO 2 , using 5-layer films, was 3-4 min. Effective diffusion coefficients for CO 2 in the films were determined using a dualtransport model and were found to be in the range (6-9) × 10 -9 cm 2 /s.

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Molecular Design of Intercalation-Based Sensors. 2. Sensing of Carbon Dioxide in Functionalized Thin Films of Copper Octanediylbis(phosphonate)

et al. 1997

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“…The study of the properties of modified zeolites made it possible to create effective methods for analyzing the content of oxides of carbon, nitrogen, and sulfur and hydrocarbon gases C1-C4 in atmospheric air. Zeolite stationary phases were used for gas adsorption (solid-phase) chromatography and extraction, concentration, and desorption for the quantitative chromatographic determination of these air pollutants [43][44][45][46][47][48][49].…”

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confidence: 99%

Chromatography in Ukraine: Development and Achievements

Gertsiuk

2022

Separations

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The development of chromatographic science in Ukraine is due to the widespread use of chromatography to solve practical problems. The centers of chromatographic research in Ukraine are in large cities: Kyiv, Kharkiv, Lviv, Odessa, and others. Along with the development of chromatographic research methods, analysis methods for control of food and agricultural raw materials, medicinal products, petroleum products, and determination of the environmental pollution state are created. Chromatography is used in medicine, pharmacology, biology, and other sciences.

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Carbon dioxide recognition by rhodium(I) complexes studied by infrared and nuclear magnetic resonance spectroscopies and acoustic wave sensor

Li¹,

Thompson²

1995

Analyst

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As a continuation of a previous study on C 0 2 recognition by a thickness-shear mode acoustic wave device coated with a hydroxy complex trans-[carbonylhydroxybis-(triphenylphosphine)rhodium(~)] (complex I), the effects of temperature and interferents such as water, SO2 and NH3 on the frequency response of the coated device upon exposure to C 0 2 are reported. A methoxy analogue of the above complex (complex 11) has been isolated as a solid. The surface conversion of this compound to complex I by water treatment and its capability for C 0 2 recognition have been studied using IR and 31P-{ 1H } NMR spectroscopies as well as with an acoustic wave sensor.

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Chromatographic properties of zeolites modified for analysis of atmospheric pollutants

Abstract: Abstract

Cited by 5 publications

References 0 publications

Molecular Design of Intercalation-Based Sensors. 2. Sensing of Carbon Dioxide in Functionalized Thin Films of Copper Octanediylbis(phosphonate)

Molecular Design of Intercalation-Based Sensors. 2. Sensing of Carbon Dioxide in Functionalized Thin Films of Copper Octanediylbis(phosphonate)

Chromatography in Ukraine: Development and Achievements

Carbon dioxide recognition by rhodium(I) complexes studied by infrared and nuclear magnetic resonance spectroscopies and acoustic wave sensor

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