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
34
969,000.00
2
Rwanda Standards
RS ISO 23265: 2022 SOIL QUALITY — TEST FOR ESTIMATING ORGANIC
MATTER DECOMPOSITION IN CONTAMINATED SOIL