GOST 8.135-2004 State system for ensuring the uniformity of measurements. Weight amouhts of the standard materials for preparation of the buffer solutions - operational pH standards of 2-nd and 3-rd classes. The technical and the metrological characteristics. Methods of
GOST OIML R 76-1-2011 State system for ensuring the uniformity of measurements. Non-automatic weighing instruments. Part 1. Metrological and technical requirements. Tests
GOST R 50779.10-2000 Statistical methods. Probability and general statistical terms. Terms and definitions
GOST R ISO 5725-6-2002 Accuracy (trueness and precision) of measurement methods and results. Part 6. Use in practice of accuracy values
GOST 24596.5-2015 history
2015GOST 24596.5-2015 Feed phosphates. Method for determination of hydrogen ions activity value
1981GOST 24596.5-1981 Feed phosphates. Method for pH determination of solution or suspension