RS ISO 17289: 2014 WATER QUALITY — DETERMINATION OF DISSOLVED
OXYGEN — OPTICAL SENSOR METHOD
21,000.00
1
21,000.00
2
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