THE USE OF A WEIGHT AUTOMATIC TITRATOR «TITRION» IN THE CERTIFICATION OF THE REFERENCE MATERIALS

The procedures of amperometric and potentiometric determination of chromium, manganese, vanadium and cerium in raw and materials of metallurgical production using a weight automatic titrator «TITRION» have been developed and implemented at the Research center of the Institute for Certified Reference Materials (ICRM). The use of the device provides automation of the titration along with collection of information and data processing which reduces the labor costs, shortens the analysis time, and improves the metrological characteristics. The developed methods, included in the branch and Federal Register, cover almost the entire range of the state standard reference samples of the raw and materials of metallurgical production in a wide range of detectable concentrations and match the metrological requirements.

weight automatic titrator «TITRION» (weight burette), reference materials (RM), certification of reference materials, vanadium, chromium, manganese, cerium, amperometric and potentiometric titration, measurement procedure, raw and materials of metallurgical production, branch and Federal Register.

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2. RF State Standard GOST 12351–2003. Alloyed and high alloyed steels. Methods for determination of vanadium. — Moscow: Izd. Standartov, 2004. — 15 p. [in Russian].

3. STO 20872050. SMK. SK.09–2013. Standard of organization. Estimation of metrological characteristics of reference materials of metallurgical production. — Yekaterinburg: ZAO «Institut standartnykh obraztsov», 2013 [in Russian].