GOST R 50564-93

Quartz sand, ground sandstone, quartzite and veiny quartz for glass industry. Heavy minerals determination method

Complex quality control system. Conformity assessment of materials, semi-finished products and other products used in the process of manufacture of products for aircraft and other civil, defense and dual use equipment at enterprises-suppliers. General requirements

Ferrosilicon. Methods for the determination of silicon

Polyamides, polyamide yarns and fibres. Methods for determination of extractable materials

Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids

Coated glass. Test methods for class A, B, S coatings