GOST 8.559-1993 State system for ensuring the uniformity of measurements. State verification schedule for means of measuring the optical density of materials in transmitted light
2006GOST 8.588-2006 State system for ensuring the uniformity of measurements. State verification scheme for means of measuring of material optical density
1993GOST 8.559-1993 State system for ensuring the uniformity of measurements. State verification schedule for means of measuring the optical density of materials in transmitted light
1984GOST 8.500-1984 State system for ensuring the uniformity of measurements. State verification schedule for means of measurement of material optical density
GOST 8.559-1993 State system for ensuring the uniformity of measurements. State verification schedule for means of measuring the optical density of materials in transmitted light was changed to GOST 8.588-2006 State system for ensuring the uniformity of measurements. State verification scheme for means of measuring of material optical density.