RS ISO 13759: 1996 PETROLEUM PRODUCTS — DETERMINATION OF ALKYL NITRATE IN DIESEL FUELS — SPECTROMETRIC METHOD
9,000.00
20
180,000.00
3
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