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High purity substances. Method for concentration of microimpurities by precipitation and copreciditation

Document status: Replaced by GOST 27866-2019

Aviation fuels. Test method for particulate contamination

Document status: Active

Steel welded vessels and apparatus. General specifications

Document status: Active

Caprolactam. Determination of acidity, alkalinity and pH of 20 percent aqueous solution of caprolactam

Document status: Active

Petroleum and petroleum products. Determination of the ageing behaviour of inhibited oils and fluids. TOST method. Part 4. Industrial gear oils

Document status: Active

Trunk gas pipelines. Design standard for pressure over 10 MPa. Principal requirements

Document status: Active