FIELD: investigating or analyzing materials.
SUBSTANCE: method comprises setting clay samples in the water solution of glycerin for 0.5-1 hour. The ratio of the concentration of glycerin to the concentration of water is equal to 1:(1.5-2). The clay type is judged by the shape of the specimen.
EFFECT: enhanced reliability.
2 tbl, 19 ex
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Authors
Dates
2008-01-10—Published
2006-05-02—Filed