RS ISO 8819: 1993 LIQUEFIED PETROLEUM GASES — DETECTION OF
HYDROGEN SULPHIDE — LEAD ACETATE METHOD
6,000.00
42
252,000.00
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
