RS ISO 7251:2005 MICROBIOLOGY OF FOOD AND ANIMAL FEEDING STUFFS — HORIZONTAL METHOD FOR THE DETECTION AND ENUMERATION OF PRESUMPTIVE ESCHERICHIA COLI — MOST PROBABLE NUMBER TECHNIQUE
19,500.00
97
1,891,500.00
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
