RS ISO 17289: 2014 WATER QUALITY — DETERMINATION OF DISSOLVED
OXYGEN — OPTICAL SENSOR METHOD
21,000.00
17
357,000.00
4
Rwanda Standards
RS ISO 37002: 2021 WHISTLEBLOWING MANAGEMENT SYSTEMS —
GUIDELINES
49,500.00
25
1,237,500.00
5
Rwanda Standards
RS ISO 18857-2: 2009 WATER QUALITY — DETERMINATION OF SELECTED
ALKYLPHENOLS —
PART 2: GAS CHROMATOGRAPHIC-MASS
SPECTROMETRIC DETERMINATION OF
ALKYLOPHENOLS, THEIR ETHOXYLATES AND
BISPHENOL A IN NON-FILTERED SAMPLES
FOLLOWING SOLID-PHASE EXTRACTION
DERIVATISATION