RS ISO 7980: 1986 WATER QUALITY - DETERMINATION OF CALCIUM AND MAGNESIUM - ATOMIC ABSORPTION SPECTROMETRIC METHOD
4,500.00
13
58,500.00
2
Rwanda Standards
RS ISO 15681-2: 2018 WATER QUALITY — DETERMINATION OF ORTHOPHOSPHATE AND TOTAL PHOSPHORUS CONTENTS BY FLOW ANALYSIS (FIA AND CFA) — PART 2: METHOD BY CONTINUOUS FLOW ANALYSIS (CFA)