RS ISO 6332: 1988 WATER QUALITY — DETERMINATION OF IRON — SPECTROMETRIC METHOD USING L, L0-PHENANTHROLINE
6,000.00
28
168,000.00
2
Rwanda Standards
RS ISO 787-25: 2019 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS — PART 25: COMPARISON OF THE COLOUR, IN FULL-SHADE SYSTEMS, OF WHITE, BLACK AND COLOURED PIGMENTS — COLORIMETRIC METHOD
