Russian standards
Clay raw materials. Method for determination of refractoriness of fusible clays
Document status: Replaced by GOST 21216-2014
Clay raw materials. Method for determination of free silicon dioxide
Document status: Replaced by GOST 21216-2014
Clay raw materials. Method for determination of coarse-grained inclusions
Document status: Replaced by GOST 21216-2014
Clay raw materials. Method for determination of calcium and magnesium in water extract
Document status: Replaced by GOST 21216-2014
Clay raw materials. Method for determination of sulphate ions in water extract
Document status: Replaced by GOST 21216-2014
Clay raw materials. Method for determination of sintering power of clays
Document status: Replaced by GOST 21216-2014