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
27
769,500.00
3
Rwanda Standards
RS ISO IEC 17021-3: 2017 CONFORMITY ASSESSMENT — REQUIREMENTS FOR BODIES PROVIDING AUDIT AND CERTIFICATION OF MANAGEMENT SYSTEMS — PART 3: COMPETENCE REQUIREMENTS FOR AUDITING AND CERTIFICATION OF QUALITY MANAGEMENT SYSTEMS
