Russian standards
GOST 4140-74
Reagents. Strontium chloride, 6-aqueous. Specifications
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€10
GOST 28954-91
Surface active agents and detergents. Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
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GOST R 50019.1-92
Graphite. Method for determination of bulk density
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€10