UNE-EN ISO 11734:1999 WATER QUALITY. EVALUATION OF THE "ULTIMATE" ANAEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN DIGESTED SLUDGE. METHOD BY MEASUREMENT OF THE BIOGAS PRODUCTION (ISO 11734:1995)
1999UNE-EN ISO 11734:1999 WATER QUALITY. EVALUATION OF THE "ULTIMATE" ANAEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN DIGESTED SLUDGE. METHOD BY MEASUREMENT OF THE BIOGAS PRODUCTION (ISO 11734:1995)