Russian standards
Anionic and non-ionic surface active agents. Determination of the critical micellization concentration. Method by measuring surface tension with a plate, stirrup or ring
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Moulding sands. Method for determination of sand grains shape
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Moulding sands. Methods for determination of clayey fraction
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Moulding sands. Methods for determination of medium size of seed and coefficient of homogeneity
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Moulding sands. Methods for determination of calcium oxide
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