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Petroleum products. Determination of total sulfur by method ultraviolet fluorescence

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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

Concentrated datolite. Specifications

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Reagents. Sodium oxalate. Specifications

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Raremetallic concentrates. Method for the determination of iron (general)

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Talc and talcomagnesite. Method determination of iron

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