Russian standards PDF
State system for ensuring the traceability of measurements. The electrokinetic potential (Zeta potential) particles in colloidal systems. Optical measurement methods
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State system for ensuring the traceability of measurements. Scanning spectrofluorimeters. Verification procedure
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The state system of ensuring the uniformity of measurements. Variable pressure drop technique. Special orifices. Part 1. Principle of measurement technique and general requirements
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State system for ensuring the uniformity of measurements. Indication pressure gauges. Reference measuring instruments. Metrological requirements and test methods
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State system for ensuring the uniformity of measurements. Reference systems for certification reference materials composition of magistral natural gas and substitute natural gas. The method of verification
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State system for ensuring the uniformity of measurements. Certified reference materials of natural gas magistral and substitute natural gas. Procedure of determining the metrological characteristics
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