RS ISO 13424: 2013 SURFACE CHEMICAL ANALYSIS — X-RAY PHOTOELECTRON SPECTROSCOPY — REPORTING OF RESULTS OF THIN-FILM ANALYSIS
69,000.00
33
2,277,000.00
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Rwanda Standards
RS ISO 11733: 2004 WATER QUALITY — DETERMINATION OF THE
ELIMINATION AND BIODEGRADABILITY OF ORGANIC
COMPOUNDS IN AN AQUEOUS MEDIUM —
ACTIVATED SLUDGE SIMULATION TEST
