Application:
- establishment and control of stability of calibration (calibration) characteristics of measuring instruments (SI) designed to determine the mass fraction of sulfur in diesel fuel by X-ray fluorescence and ultraviolet fluorescence;
- certification of methods for measuring the mass fraction of sulfur in diesel fuel.
- to control the accuracy of the measurement results of the mass fraction of sulfur in diesel fuel, provided that the metrological and technical characteristics comply with the requirements of measurement methods;
- for verification of measuring instruments, subject to compliance with the mandatory requirements established in the SI verification methods;
- for SI tests for type approval, provided that their metrological and technical characteristics meet the criteria established in the SI test programs for type approval.
- areas of economics and fields of activity where it is planned to use a standard sample: oil, oil refining, chemical industry.
Features:
the CO material is diesel fuel of the DT-L-K5 brand according to GOST 32511-2020.
Technical specifications:
- The certified value of CO is 50,000% by weight.sulfur fractions;
- The limits of the relative error of the certified value of CO, at P = 0.95, comp. ± 2.5%.
- Relative extended uncertainty at coverage coefficient 2, comp. 2.5%
The shelf life of CO copies is 4 years.
Transport data/dimensions/weight:
5/50/100 cm3,
sealed glass ampoules / dark glass vials with screw cap.
Basic equipment:
Sample bottle, label, passport.