RS ISO 1241: 1996 ESSENTIAL OILS — DETERMINATION OF ESTER VALUES, BEFORE AND AFTER ACETYLATION, AND EVALUATION OF THE CONTENTS OF FREE AND TOTAL ALCOHOLS
7,500.00
31
232,500.00
2
Rwanda Standards
RS ISO 7890-3: 1988 WATER QUALITY — DETERMINATION OF NITRATE — PART 3: SPECTROMETRIC METHOD USING SULFOSALICYLIC ACID