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Petroleum and natural gas industries. Materials for use in H2S-containing environments in oil and gas production. Part 2. Cracking-resistant carbon and low-alloy steels and the use of cast irons
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Essential oils (containing tertiary alcohols). Estimation of free alcohols content by determination of ester value after acetylation
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Residual fuel oils. Test for straight-run. Method for determination of total sediment
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Stationary distillation desalting units. Methods of washing solution chemical analysis at the equipment cleaning
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Hard coal. Determination of the relative degree of oxidation by the method of alkali extraction
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