GOST 30764-2002 Industrial cleanliness. Reference materials of granulometric composition of contaminants for liquid technologic media. General technical requirements
GOST 23402-1978 Metal powders. Microscopic method of particle size determination
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 8.531-2002 State system for ensuring the uniformity of measurements. Reference materials of composition of solid and disperse materials. Ways of homogeneity assessment
GOST 30764-2002 history
2002GOST 30764-2002 Industrial cleanliness. Reference materials of granulometric composition of contaminants for liquid technologic media. General technical requirements