Activity of All-Russian Research Institute of Physical-Technical and Radio-Technical Measurements (VNIIFTRI) in the sphere of physicochemical measurements

This article presents the description, metrological characteristics and application of State primary standards developed at the All-Russian Research Institute of Physicol-Technical and Radio-Technical Measurements (VNIIFTRI). These include the state primary standards for pH and pX in aqueous solutions, units of the dispersed parameters of aerosols, suspensions and powdery materials, units of the mass fraction and mass (molar) concentration of inorganic components in aqueous solutions based on gravimetric and spectral methods of analysis. In addition, the article discusses R&D projects that are currently being realized at VNIIFTRI, including the production of standard-titres and buffer solutions for pH-metry, as well as working standards for assessing the activity of Na+, K+, F- , Cl- , Br- , I- , NO3- (pX) ions in aqueous media

Participation of VNIIFTRI in international comparisons in thefield of physical-chemical measurements

This paper considers the participation of FSUE «VNIIFTRI» in international comparisons: in the field of physicalchemical measurements, particularly in pH-metry and ionometry (pX); in the sphere of measuring inorganic components in various matrices. Measurement and calibration capabilities are presented – CMC lines in the BIPM database

Деятельность ФГУП ВНИИФТРИ в сфере физико-химических измерений

This article presents the description, metrological characteristics and application of State primary standards developed at the All-Russian Research Institute of Physicol-Technical and Radio-Technical Measurements (VNIIFTRI). These include the state primary standards for pH and pX in aqueous solutions, units of the dispersed parameters of aerosols, suspensions and powdery materials, units of the mass fraction and mass (molar) concentration of inorganic components in aqueous solutions based on gravimetric and spectral methods of analysis. In addition, the article discusses R&D projects that are currently being realized at VNIIFTRI, including the production of standard-titres and buffer solutions for pH-metry, as well as working standards for assessing the activity of Na+, K+, F- , Cl- , Br- , I- , NO3- (pX) ions in aqueous media.В статье представлено описание, метрологические характеристики и области применения государственных первичных эталонов ФГУП «ВНИИФТРИ»: показателей активности ионов водорода pH и активности ионов pX в водных растворах, единиц дисперсных параметров аэрозолей, взвесей и порошкообразных материалов, единиц массовой доли и массовой (молярной) концентрации неорганических компонентов в водных растворах на основе гравиметрического и спектральных методов анализа. В докладе также говорится о производстве на базе ВНИИФТРИ стандарт-титров и буферных растворов для рН-метрии, рабочих эталонов активности ионов Na+, K+, F- , Cl- , Br- , I- , NO3- (pX) в водных средах, об исследованиях и о плановых разработках

Участие ФГУП «ВНИИФТРИ» в международных сличениях в области физико-химических измерений

This paper considers the participation of FSUE «VNIIFTRI» in international comparisons: in the field of physicalchemical measurements, particularly in pH-metry and ionometry (pX); in the sphere of measuring inorganic components in various matrices. Measurement and calibration capabilities are presented – CMC lines in the BIPM database.В статье рассмотрено участие ФГУП «ВНИИФТРИ» в международных сличениях в области физико-химических измерений (рН-метрия и ионометрия (рХ)), а также в области измерений неорганических компонентов в различных матрицах, представлены измерительные и калибровочные возможности – СМС-строки в базе данных МБМВ