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Technical liquid ammonia. Determination of oil mass concentration by method of infra-red spectrometry
Document status: Active
Hard coal. Standard test method for froth flotation
Document status: Active
Synthetic hydrochloric acid for industrial use. Specification
Document status: Active
Alumina. Sampling and samples preparation
Document status: Replaced by GOST 27798-2019
Charcoal. Standard test method for ultimate analysis
Document status: Active