RS ISO 4892-2: 2013/Amd 1: 2021 PLASTICS — METHODS OF EXPOSURE TO LABORATORY
LIGHT SOURCES —
PART 2: XENON-ARC LAMPS
19,500.00
3
58,500.00
2
Rwanda Standards
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