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
14
378,000.00
2
Rwanda Standards
RS ISO 13769: 2018 GAS CYLINDERS — STAMP MARKING
28,500.00
24
684,000.00
3
Rwanda Standards
RS ISO 2560: 2020 WELDING CONSUMABLES — COVERED
ELECTRODES FOR MANUAL METAL ARC WELDING OF
NON-ALLOY AND FINE GRAIN STEELS —
CLASSIFICATION
64,500.00
16
1,032,000.00
4
Rwanda Standards
RS ISO 5318: 1983 FERTILIZERS — DETERMINATION OF POTASSIUM
CONTENT — POTASSIUM TETRAPHENYLBORATE
GRAVIMETRIC METHOD (REFERENCE METHOD)
4,500.00
13
58,500.00
5
Rwanda Standards
RS ISO 7240-17: 2020 FIRE DETECTION AND ALARM SYSTEMS —
PART 17: TRANSMISSION PATH ISOLATORS
