RS ASTM C311/C311M-22 STANDARD TEST METHODS FOR SAMPLING AND TESTING FLY ASH OR NATURAL POZZOLANS FOR USE IN PORTLAND-CEMENT CONCRETE
15,000.00
67
1,005,000.00
2
Rwanda Standards
RS ISO IEC 17021-1: 2015 CONFORMITY ASSESSMENT — REQUIREMENTS FOR BODIES PROVIDING AUDIT AND CERTIFICATION OF MANAGEMENT SYSTEMS — PART 1: REQUIREMENTS
72,000.00
60
4,320,000.00
3
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
