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Federal norms and regulations in the field of industrial safety 'On approval of safety guidelines for flare systems' Order No. 450 dated 22.12.2021 of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostechnadzor)

Document status: Active

On approval of Federal norms and regulations in the field of industrial safety 'General rules on explosion protection for explosive and fire hazardous chemical, petrochemical plants and oil refineries' Order No. 533 dated 15.12.2020 of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostechnadzor)

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Black powders. Method for determination of particle size distribution

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Clay raw materials. Method for determination of fraction retained on sieve N 0063

Document status: Replaced by GOST 21216-2014

State system for insuring the uniformity of measurements. Microbeam analysis. Quantitative analysis using energy-dispersive spectrometry (EDS) for elements with an atomic number of 11 (Na) or above

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Alumina. Methods for the determination of chromium oxide

Document status: Replaced by GOST 25542.4-2024