RS ISO 6060: 1989 WATER QUALITY — DETERMINATION OF THE CHEMICAL OXYGEN DEMAND
6,000.00
44
264,000.00
3
Rwanda Standards
RS ISO 6461-2: 1986 WATER QUALITY - DETECTION AND ENUMERATION OF THE SPORES OF SULFITE-REDUCING ANAEROBES (CLOSTRIDIA) - PART 1 : METHOD BY ENRICHMENT IN A LIQUID MEDIUM