DIN EN ISO 23977-2 E:2021-07 Determination of aerobic biodegradation of plastic materials exposed to seawater Part 2: Method for measuring oxygen demand in closed respirometers (draft)
2022DIN EN ISO 23977-2:2022-01 Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020); German version EN ISO 23977-2:2021
1970DIN EN ISO 23977-2 E:2021-07 Determination of aerobic biodegradation of plastic materials exposed to seawater Part 2: Method for measuring oxygen demand in closed respirometers (draft)