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Copper and complex ores and products for their processing. Methods for measurement of sulphur mass fraction
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Ammonium sulphate technical. Determination of free acid content. Titrimetric method
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Solid recovered fuel. Determination of the content of volatile matter
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Petroleum and natural gas industries. Materials for use in H2S-containing environments in oil and gas production. Part 1. General principles for selection of cracking-resistant materials
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