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Measurement Techniques

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19-04-2018 | PHYSICOCHEMICAL MEASUREMENTS

Investigation of Metrological Characteristics of Buffer Solutions in pH Measurements

Authors: V. I. Dobrovolskii, V. A. Zvezdina, S. V. Prokunin, A. N. Shchipunov

Published in: Measurement Techniques | Issue 1/2018

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Abstract

The metrological characteristics of buffer solutions prepared from high-purity substances were investigated. The possibility of using them in metrological studies conducted on the State Primary Standard of the рН activity of hydrogen ions in aqueous solutions GET 54–2011 was appraised.

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GOST 8.134-2014, GSI. Method for Measuring pH Based on Harned Cells.

R. G. Bates, Determination of pH. Theory and Practice [Russian translation], Khimiya, Moscow (1972), pp. 247–251.

GOST 8.120-2014, State Verification Scheme for pH Measuring Instruments.

V. S. Bagotskii, Electrochemistry Basics, Khimiya, Moscow (1988).

GOST 8.135-2004, GSI. Standard-Titers for the Preparation of Buffer Solutions – Working pH Standards of the 2nd and 3rd Category. Technical and Metrological Characteristics. Methods for Their Determination.

R. P. Buck, S. Rondinini, A. K. Covington, et al., “Measurement of pH. Definition, standards and procedures (IUPAC Recommendations 2002),” Pure Appl. Chem., 74, No. 11, 2169–2200 (2002).CrossRef

A. A. Glazdov and S. V. Prokunin, “Application of new chlorine silver electrodes manufactured for the State pH Primary Standard,” Metrology in the 21st century: Reports from the 4th Sci.-Pract. Conf. of Young Scientists, Postgraduates, and Specialists, VNIIFTRI, Mendeleevo (2016), pp. 107–112.

A. A. Glazdov, S. V. Prokunin, and A. V. Aprelev, “Study of the stability of potentials of silver chloride electrodes made for the state pH primary standard,” Alman. Sovr. Metrol., No. 6, 59–63 (2016).

V. I. Dobrovolskii, S. V. Prokunin, I. V. Morozov, and A. A. Glazdov, “Investigation of metrological characteristics of silver-silver chloride electrodes of GET 54-2011, the State Primary Standard for the pH activity of hydrogen ions in aqueous solutions,” Izmer. Tekhn., No. 9, 68–70 (2016).

Title: Investigation of Metrological Characteristics of Buffer Solutions in pH Measurements
Authors: V. I. Dobrovolskii
V. A. Zvezdina
S. V. Prokunin
A. N. Shchipunov
Publication date: 19-04-2018
Publisher: Springer US
Published in: Measurement Techniques / Issue 1/2018
Print ISSN: 0543-1972
Electronic ISSN: 1573-8906
DOI: https://doi.org/10.1007/s11018-018-1392-7

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