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
36
972,000.00
2
Rwanda Standards
RS ISO 20636: 2018 INFANT FORMULA AND ADULT NUTRITIONALS —
DETERMINATION OF VITAMIN D BY LIQUID
CHROMATOGRAPHY MASS SPECTROMETRY