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Reference value

Reference value, Total:4 items.

In the international standard classification, Reference value involves: Fasteners, Analytical chemistry.

German Institute for Standardization, Reference value

• DIN 7975:2016 Tapping screw connections - Guideline values for core hole diameters and use
• DIN 7975:1989 Tapping screw connections; guideline values for core hole diameters and use
• DIN 19264:1985 pH measurement; reference electrodes

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Reference value

• GB/T 27757-2011 Reference electrodes for the measurement of pH value

Others:   ratio, activity ratio, peak ratio, activity ratio, ginseng, ratio spectrum, Reference value, Ratio meter, intensity ratio, Sensitivity ratio, Ratio mass spectrometry, reference solution reference, standard ratio, standard ratio, peak intensity ratio, ratio analysis, Ratio meter, ratio analysis, branch ratio, ginseng +.