Applied Clay Science, volume 163, pages 153-163
Optimising rational chemical analysis for quantitative determination of the composition of clay in soils
Publication type: Journal Article
Publication date: 2018-10-01
Geochemistry and Petrology
Geology
Abstract
A fractional (rational) chemical analytical method is proposed by which the material composition of clay rocks can be quantified and the clay-forming minerals present can be characterised. Subjecting raw clay to this procedure allows for the determination of the chemical composition of its fine-grained fraction, the amount and composition of exchangeable cations, water-soluble salts, carbonates and colloidal minerals, and the amount of amorphous silica and free quartz. A new, effective method is proposed for the qualitative and quantitative evaluation of the amorphous component in clays. This involves extracting colloids by treating the clay fractions with Tamm's reagent, a buffer solution of oxalic acid and ammonium oxalate with a pH of 3.25. Additionally, through calculations based on the results of chemical analyses, the illite content (derived from the content of non-exchangeable potassium oxide) and the chemical composition of the clay residue are determined. This enables the rock-forming clay mineral to be characterised and its structural chemical formula to be determined. This allows prediction of the physico-chemical and technological properties of the clay.
Citations by journals
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Journal of Environmental Management
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Journal of Environmental Management
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Elsevier
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Elsevier
2 publications, 40%
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Springer Nature
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Springer Nature
1 publication, 20%
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IEEE
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IEEE
1 publication, 20%
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Vakalova T. et al. Optimising rational chemical analysis for quantitative determination of the composition of clay in soils // Applied Clay Science. 2018. Vol. 163. pp. 153-163.
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Vakalova T., Pogrebenkov V., Vereshagin V., Khabas T., Revva I. Optimising rational chemical analysis for quantitative determination of the composition of clay in soils // Applied Clay Science. 2018. Vol. 163. pp. 153-163.
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TY - JOUR
DO - 10.1016/j.clay.2018.07.014
UR - https://doi.org/10.1016%2Fj.clay.2018.07.014
TI - Optimising rational chemical analysis for quantitative determination of the composition of clay in soils
T2 - Applied Clay Science
AU - Vakalova, Tatyana
AU - Pogrebenkov, Valeriy
AU - Vereshagin, Vladimir
AU - Khabas, Tamara
AU - Revva, Inna
PY - 2018
DA - 2018/10/01 00:00:00
PB - Elsevier
SP - 153-163
VL - 163
SN - 0169-1317
ER -
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@article{2018_Vakalova,
author = {Tatyana Vakalova and Valeriy Pogrebenkov and Vladimir Vereshagin and Tamara Khabas and Inna Revva},
title = {Optimising rational chemical analysis for quantitative determination of the composition of clay in soils},
journal = {Applied Clay Science},
year = {2018},
volume = {163},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016%2Fj.clay.2018.07.014},
pages = {153--163},
doi = {10.1016/j.clay.2018.07.014}
}
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