RS ISO 9697: 2018 WATER QUALITY — GROSS BETA ACTIVITY — TEST METHOD USING THICK SOURCE
18,000.00
24
432,000.00
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