PNST 654-2022

Packing. Gas chromatographic determination of hexane, heptane, acetaldehyde, acetone, methylacetate, ethylacetate, methanol, isopropanol, acrylonitrile, n-propanol, butylacetate, isobutanol, n-butanol, benzene, toluene, ethylbenzene, m-, o-and p-xylene, isopropylbenzene, styrene, а-methylstyrene content in water extracts

Medical electrical equipment. Part 2-8. Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV

Thread milling cutters. Technical conditions

Magnesial-quarts proppants. Sрeсifiсations

Launching and technical complexes of space-rocket complexes. General requirements for tests and acceptance

Electrical installations of buildings. Part 4. Protection for safety. Protection against electric shock