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Reagents. Nickel (II) sulphate, 7-aqueous. Specifications
Document status: Active
Technical liquid ammonia. Determination of oil mass concentration by spectrophotometry method
Document status: Active
Gas distribution systems. Recovery of operational documentation for the existing gas distribution networks
Document status: Active
Petroleum products and used oils. Determination of polychlorinated biphenyl (PCB) and related products. Part 1. Separation and determination of selected PCB congeners by gas chromatography (GC) using an electron capture detector (ECD)
Document status: Active
Chrysotile asbestos. Method for determination of moisture content
Document status: Replaced by GOST 12871-2013