GOST 13867-1968 Chemical products. Designation for degree of purity
GOST 2408.1-1995 Solid fuel. Methods for determination of carbon and hydrogen
GOST 28743-1993 Solid mineral fuel. Methods for determination of nitrogen
GOST 5583-1978 Technical and medical oxygen gas. Specifications
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 R 54211-2010 Solid biofuels. Determination of moisture content by oven dry method. Part 3. Moisture in general analysis sample