RS ISO 15923-1: 2013 WATER QUALITY — DETERMINATION OF SELECTED
PARAMETERS BY DISCRETE ANALYSIS SYSTEMS —
PART 1: AMMONIUM, NITRATE, NITRITE, CHLORIDE,
ORTHOPHOSPHATE, SULFATE AND SILICATE WITH
PHOTOMETRIC DETECTION
37,500.00
14
525,000.00
2
Rwanda Standards
RS ISO 15705: 2002 WATER QUALITY — DETERMINATION OF THE
CHEMICAL OXYGEN DEMAND INDEX (ST-COD) —
SMALL-SCALE SEALED-TUBE METHOD
