RS ASTM C170/C170M-17 STANDARD TEST METHOD FOR COMPRESSIVE STRENGTH OF DIMENSION STONE
4,500.00
58
261,000.00
4
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