publication . Article . 2019

Development of a reference material for the composition of 0.1 m potassium dichromate solution. Certified reference material GSO 10992-2017

Shimolin, A. Yu.; Sobina, A. V.;
Open Access Russian
  • Published: 05 Aug 2019 Journal: Standartnye Obrazcy, volume 15, issue 2, pages 39-50 (issn: 2077-1177, Copyright policy)
  • Publisher: Ural Research Institute of Metrology
Abstract
This paper describes key stages in the development and investigation of a high-precision certified reference material (CRM) for the composition of potassium dichromate solution. The proposed reference material (RM) exhibits metrological traceability to the units of the International System of Units (SI). Not requiring additional preparation before use, the CRM is convenient for use as a titrant in redox titration. The metrological characteristics of the developed CRM were determined by the direct primary method of coulomet-ric titration using the State Primary Standard GET 176. The interval of permissible certified values of the molar concentration of potassium ...
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Subjects
free text keywords: coulometry, coulometric titration, titrimetry, state primary standard, get 176, potassium dichromate solution, reference material, certified value uncertainty, potassium dichromate, traceability, lcsh:Technology, lcsh:T, Redox titration, Potassium dichromate, chemistry.chemical_compound, chemistry, Coulometry, Certified reference materials, Materials science, Titration, Analytical chemistry, Molar concentration, Calibration, Primary standard
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