GOST 4979-1949 Water of economical-drinking and industrial water supply. Methods for chemical analysis. Sampling, storing and transportation of samples
GOST 8.315-1997 State system for enshuring the uniformity of measurements. Certified reference materials of composition and properties of substances and materials. Basic principles
GOST 9293-1974 Gaseous and liquid nitrogen. Specifications
ISO 11885:2007 Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
ISO 5961:1994 Water quality; determination of cadmium by atomic absorption spectrometry
ISO 9174:1998 Water quality - Determination of chromium - Atomic absorption spectrometric methods
GOST 31870-2012 history
2012GOST 31870-2012 Drinking water. Determination of elements content by atomic spectrometry methods