The standard sample of the tetrachloroethylene composition is designed to control the accuracy of measurement results, to establish and control the stability of the calibration (calibration) characteristic, to certify measurement methods, to verify and calibrate SI, to test SI for type approval.
Features:
CO is purified tetrachloroethylene (perchloroethylene), packaged with a volume of at least 1.2 cm3 in sealed glass ampoules.
Technical specifications:
- The permissible range of the mass fraction of the base substance is not less than 99.0 %;
- The limits of the absolute error of the certified value of CO, at P = 0.95, is ± 0.1%.
The shelf life of CO copies is 3 years.
Transport data/dimensions/weight:
Glass ampoules of 3 cm3, 5 ampoules are placed in a cardboard box.
Basic equipment:
- Standard sample;
- Passport.