Applied Clay Science, volume 163, pages 153-163

Optimising rational chemical analysis for quantitative determination of the composition of clay in soils

Vakalova Tatyana 1
Pogrebenkov Valeriy 1
Vereshagin Vladimir 1
Khabas Tamara 1
Revva Inna 1
Publication typeJournal Article
Publication date2018-10-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.6
ISSN01691317
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.

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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.
GOST all authors (up to 50) Copy
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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RIS Copy
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 -
BibTex
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BibTex Copy
@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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