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 *, 2023-12-23 Update
GOST R 12.1.019-2009 Occupational safety standards system. Electrical safety. General requirements and nomenclature of kinds of protection*, 2023-12-23 Update
GOST R 53228-2008 Non-automatic weighing instruments. Part 1. Metrological and technical requirements. Tests*, 2023-12-23 Update
GOST R 55064-2012 Sodium hydroxide for industrial use. Specifications*, 2023-12-23 Update
GOST R 58151.3-2018 history
2018GOST R 58151.3-2018 Disinfectants. Methods for determining physical and chemical parameters