Application:
For calibration of measuring instruments (SI) of the mass fraction of sulfur in oil and petroleum products by the X-ray fluorescence method, control of the metrological characteristics of SI during their tests, including for type approval; for certification of measurement methods and control of accuracy of measurement results of the mass fraction of sulfur in oil and petroleum products by X-ray fluorescence method in accordance with GOST R 52660-2006, GOST ISO 14596-2016, GOST R 53203-2022, GOST 32139-2019, GOST R EN ISO 20847-2010, GOST R 51947-2002, ASTM D4294 for determination of the mass fraction of sulfur in oil and petroleum products by X-ray fluorescence.-21, GOST ISO 8754-2013, GOST R 50442-92, ASTM D2622-21; by ultraviolet fluorescence according to GOST R 56342-2015, GOST ISO 20846-2016.
CO can be used for verification and calibration of relevant measuring instruments, provided that its metrological and technical characteristics meet the criteria set out in the methods of verification and calibration of relevant measuring instruments.
Technical specifications:
- The certified CO value is 20 mg/kg by weight.Fractions of sulfur;
- Relative error limits of the certified CO value at P = 0.95, comp. ± 2.5%.
- Relative extended uncertainty at coverage factor 2, comp. 2.5%
The shelf life of CO copies is 2 years.
Basic equipment:
- Glass ampoule containing 5 ml of solution - 1 pc.;
- Passport - 1 pc.