RS ISO 9963-1: 1994 WATER QUALITY — DETERMINATION OF ALKALINITY — PART 1: DETERMINATION OF TOTAL AND COMPOSITE ALKALINITY
9,000.00
72
648,000.00
3
Rwanda Standards
RS ASTM D4839: 2024 STANDARD TEST METHOD FOR TOTAL CARBON AND
ORGANIC CARBON IN WATER BY ULTRAVIOLET, OR
PERSULFATE OXIDATION, OR BOTH, AND INFRARED
DETECTION