Application:
The standard sample of the mass concentration of dry residue is used to certify measurement methods and control the accuracy of measurement results of the mass concentration of dry residue in drinking water according to GOST 18164-72, in drinking water, natural and treated wastewater according to HDPE F 14.1:2:4.114-97, HDPE F 14.1:2:4.261-10.
Technical specifications:
- The value of the mass concentration of the dry residue of CO is 50 g/dm3;
- The relative error of the certified CO value with a confidence probability of P = 0.95 is ± 1.4 % ;
- The relative extended uncertainty with a coverage factor of 2 and P = 0.95 is 1.4%.
The shelf life of a copy of CO is 2 years.
Basic equipment:
- A bottle containing 50 ml of solution- 1 pc.;
- Passport - 1 pc.