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Surface active agents. Preparation of water with known calcium hardness
Document status: Active
Concentrated kaolin. Method for determination of aluminium oxide (III)
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Hard coal. Determination of plastic properties. Gieseler plastometer method
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Dolomite for glass industry. Specifications
Document status: Replaced by GOST 23672-2020
Laboratory glassware. Burettes. Part 1. General requirements
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Niobium pentoxide. Chemical-atomic-emission method for determination of impurity metals
Document status: Active