Russian standards
Raw clay in the production of clay powders for drilling muds. Specifications
Document status: Active
Reagents. Ammonium sodium hydrogen phosphate 4-aqueous. Specifications
Document status: Active
Laboratory volumetric glassware. Cylinders, beakers, measuring flasks and test tubes. General specifications
Document status: Active
Concentrated natural chalk. Method of grain-size analysis
Document status: Active
Toilet soap. General specifications
Document status: Replaced by GOST 28546-2002