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
27,000.00
43
1,161,000.00
3
Rwanda Standards
RS ISO/TS 22475-2: 2006 GEOTECHNICAL INVESTIGATION AND TESTING — SAMPLING METHODS AND GROUNDWATER MEASUREMENTS — PART 2: QUALIFICATION CRITERIA FOR ENTERPRISES AND PERSONNEL
