RS ISO 18451-2: 2018 PIGMENTS, DYESTUFFS AND EXTENDERS — TERMINOLOGY — PART 2: CLASSIFICATION OF COLOURING MATERIALS ACCORDING TO COLOURISTIC AND CHEMICAL ASPECTS
22,500.00
189
4,252,500.00
2
Rwanda Standards
RS ISO 4221: 1980 AIR QUALITY — DETERMINATION OF MASS
CONCENTRATION SULPHUR DIOXIDE IN AMBIENT AIR
— THORIN SPECTROPHOTOMETRIC METHOD
