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Quartz sand, ground sandstone, quartzite and veiny quartz for glass industry. Methods for determination of ferric oxide
Document status: Replaced by GOST 22552.2-2019
Raremetallic concentrates. Method for the determination of iron (general)
Document status: Active
Petroleum products and used oils. Determination of polychlorinated biphenyls (PCB) and related products. Part 2. Determination of PCB content
Document status: Active