RS ISO 18172-2: 2007 GAS CYLINDERS — REFILLABLE WELDED STAINLESS
STEEL CYLINDERS —
PART 2: TEST PRESSURE GREATER THAN 6 MPA
49,500.00
62
3,069,000.00
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