GOST 34248-2017 Copper and polymetallic ores. Measurement of copper and impurities weight fraction by an inductively coupled plasma atomic emission spectrometry method
GOST 14180-1980 Ores and concentrates of non-ferrous metals. Methods for sampling and preparation of samples for chemical analysis and determination of moisture
GOST R 53228-2008 Non-automatic weighing instruments. Part 1. Metrological and technical requirements. Tests*, 2023-12-23 Update
GOST R ISO 5725-6-2002 Accuracy (trueness and precision) of measurement methods and results. Part 6. Use in practice of accuracy values*, 2023-12-23 Update
GOST 34248-2017 history
2017GOST 34248-2017 Copper and polymetallic ores. Measurement of copper and impurities weight fraction by an inductively coupled plasma atomic emission spectrometry method