Russian standards
Quartz sand, ground sandstone, quartzite and veiny quartz for glass industry. Method for the determination of titanium dioxide
Document status: Replaced by GOST 22552.4-2019
Kaolin enrich for chemical means of defense plant. Specifications
Document status: Active
Chrysotile asbestos. Method for determination of fractional composition and foreign matters content on the testing machine
Document status: Active