UNE-EN ISO 9439:2000 WATER QUALITY. EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM. CARBON DIOXIDE EVOLUTION TEST. (ISO 9439:1999)
2000UNE-EN ISO 9439:2000 WATER QUALITY. EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM. CARBON DIOXIDE EVOLUTION TEST. (ISO 9439:1999)