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
131
2,554,500.00
2
Rwanda Standards
RS ISO 9964-1: 1993 WATER QUALITY — DETERMINATION OF SODIUM AND POTASSIUM — PART 1: DETERMINATION OF SODIUM BY ATOMIC ABSORPTION SPECTROMETRY
