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
39
1,111,500.00
3
Rwanda Standards
RS ISO 2854: 1976 STATISTICAL INTERPRETATION OF DATA — TECHNIQUES OF ESTIMATION AND TESTS RELATING TO MEANS AND VARIANCES
