Open AccessInterlaboratory comparison of the work quality of chemical-analytical units of a number of refractory industry enterprises in Ukraine in 2020
Author(s) -
O. V. Birukova,
V. V. Varganov,
N. M. Konchynko
Publication year - 2021
Publication title -
naukovì doslìdžennâ z vognetrivìv ta tehnìčnoï keramìki. zbìrnik naukovih pracʹ
Language(s) - English
Resource type - Journals
ISSN - 2663-3566
DOI - 10.35857/2663-3566.121.21
Subject(s) - refractory (planetary science) , work (physics) , quality (philosophy) , chemical industry , reproducibility , environmental science , engineering , materials science , metallurgy , mathematics , mechanical engineering , statistics , physics , environmental engineering , quantum mechanics
One of the ways to check the correctness of international standards use is interlaboratory comparison of the work results of testing laboratories. Such work has been carried out by JSC “The URIR named after A. S. Berezhnoy” for more than 20 years and allows one to assess the reproducibility and repeatability of chemical analyzes results of refractories and refractory raw materials at the manufacture of refractories and their certification in the both the chemical-analytical unit of the institute and laboratories of partner enterprises.
The interlaboratory comparison of work quality of chemical-analytical units of a number of refractory industry enterprises in Ukraine (JSC “KDZ”, JSC “CRP”, JSC “VRP”) and JSC “The URIR named after A. S. Berezhnoy” was carried out. The discrepancy between the average results of chemical analysis in the chemical-analytical unit of refractory enterprises and in the laboratory of institute did not exceed the permissible value of γ in terms of ND. The work quality of chemical-analytical units of central refractory laboratories of all the above mentioned refractory enterprises was satisfactory. Recommendations for improving the accuracy of the chemical analysis results in the refractory enterprises laboratories that participated in the tests were not required.