S.V. Prokunin

FSUE “VNIIFTRI”, Mendeleevo, Moscow region, Russia
mera@vniiftri.ru

Al’manac of Modern Metrology № 1 (25) 2021, pages 89–95

Annotation. The article is devoted to the metrological support of the pH value in the strongly acidic field. The article discusses metrological works on the State primary standard (GPE) of the pH activity index of hydrogen ions in aqueous solutions GET 54-2011.

Key words: pH, measure of acidity, standard, gastroenterology, buffer solution, ionometry.

Full texts of articles are available only in Russian in printed issues of the magazine.