RS ISO 10566: 1994 WATER QUALITY — DETERMINATION OF ALUMINIUM — SPECTROMETRIC METHOD USING PYROCATECHOL VIOLET
7,500.00
6
45,000.00
2
Rwanda Standards
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