ANALYSIS OF TEMPERATURE-DEPENDENT pH SCALE FOR AQUEOUS SOLUTIONS ON THE BASIS OF INTERNATIONAL REQUIREMENTS

Authors

  • Matyakubova P.M
  • Rakhmatullaev S.A

Keywords:

pH indicator of hydrogen ion activity, pH scale, buffer solution, OIML R 54, TC 17/SC 3 P1

Abstract

This article briefly discusses the current relevance of determining the activity indicator of hydrogen ions in aqueous solutions, the analysis of temperature-dependent changes in solutions prepared based on international OIML R 54 recommendations for calibrating pH measuring instruments and determining the pH scale for aqueous solutions.

References

John J. Barron, Colin Ashton, Leo Geary The Effects of Temperature on pH Measurement. TSP-01 Issue.

R.P. Buck and oth. The measurement of pH – Definition, Standards and Procedures. 2001.

N.R.Yusupbekov, B.I.Muhammedov, Sh.M.G’ulomov. Texnologik jarayonlarni nazorat qilish

va avtomatlashtirish. Darslik 2011.

OIML R 54 -e81 pH SCALE for AQUEOUS SOLUTIONS. International Recommendation.

Measurement of pH. Definition, standards, and procedures (IUPAC Recommendations 2002), Pure Appl. Chem., 74, 2169 (2002)

Wu Y.C., Koch YV.F. and Durst R A Standardization of pH Measurements, USA Dept. Commerce, Washington DC, NBS Special Publ. No. 260-53, 1988.

OIML TC 17/SC 3/p 1 Title: pH scale for AQUEOUS SOLUTION.

Matyakubova P.M., Ismatullayev P.R., Masharipov Sh.M. O‘lchash usullari va vositalari. O ‘quv qo‘llanma. 2023 y.

Васильев В. П. Аналитическая химия. Физико-химические методы анализа Учеб. для студ. вузов-М.:Дрофа, 2002.

Masharipov Sh.M., Ruzmatov K.R., Rahmatullayev S.A., Mahmudjonov M.M., Isoqov A. Assessment and investigation of measurement uncertainty of standard samples of substances and materials in physicochemical measurements based on standard test methods. Journal of Physics: Conference Series, 2021, 2094(5), 052011

Downloads

Published

2025-02-11