S.V. Prokunin, D.D. Frolov, A.A. Glazdov Al’manac of Modern Metrology № 1 (6) 2016, pages 66–71 This publication is dedicated to ensure the implementation of high-purity substances in metrological works on the basis of the developed criteria for the establishment and improvement of the state primary standards methods and means of reproduction and transfer of … Continue reading Effect of the purity of chemical substances used in the manufacturing of working pH standards on metrological characteristics in pH determination