Application:
The standard sample is intended for certification of measurement methods and control of accuracy of measurement results of mass concentration of chloride salts in oil and petroleum products.
Features:
State standard samples can be used for verification and calibration of appropriate measuring instruments, provided that its metrological and technical characteristics meet the criteria established in the methods of verification and calibration of appropriate measuring instruments.
Technical specifications:
- The certified State standard samples value is 10 mg/dm3 of the mass concentration of chloride salts in terms of sodium chloride;
- The range of certified values of the mass fraction of mechanical impurities is 9.5-10.5 mg/dm3;
- The limits of the relative error of the certified State standard samples value at P = 0.95 are ± 5%.
The shelf life of a copy of State standard samples is 2 years.
Basic equipment:
- A bottle containing 100 ml of solution - 1 pc.;
- Passport - 1 pc.