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
44
1,188,000.00
2
Rwanda Standards
RS ISO 787-25: 2019 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS — PART 25: COMPARISON OF THE COLOUR, IN FULL-SHADE SYSTEMS, OF WHITE, BLACK AND COLOURED PIGMENTS — COLORIMETRIC METHOD
