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Ethulamines technical. Method of determination of the appearance

Document status: Active

Gas analysis. Preparation of calibration gas mixtures. Gravimetric method

Document status: Active

Technical liquid ammonia. Determination of oil mass concentration by method of infra-red spectrometry

Document status: Active

Tungsten concentrate. Methods of determination of tungsten anhydride

Document status: Active

Petroleum products. Determination of aromatic hydrocarbon types in middle distillates. High performance liquid chromatography method with refractive index detection

Document status: Active

Bauxite. Method for the determination of carbon dioxide

Document status: Replaced by GOST 14657.9-96