Russian standards
Surface-active agents. Method for determination of biodegradability rate in aquatic environment
Document status: Active
Copper concentrate. Measurement of copper and impurities weight fraction by an inductively coupled plasma atomic emission spectrometry method
Document status: Active
Used petroleum products. General requirements for the method of the tests
Document status: Active
Maleic anhydride for industrial use. Methods of test. Part 3. Determination of free acidity. Potentiometric method
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