RS ISO 7393-2: 2017 WATER QUALITY — DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE —
PART 2:
COLORIMETRIC METHOD USING N,NDIALKYL-1,4-PHENYLENEDIAMINE, FOR ROUTINE CONTROL PURPOSES
28,500.00
4
114,000.00
2
Rwanda Standards
RS EAS 148-4: 2017 CEMENT — TEST METHODS — PART 4: QUANTITATIVE DETERMINATION OF CONSTITUENTS
