CEN/TC 249
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
73588 | EN ISO 23977-1:2021 | Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 1: Method by analysis of evolved carbon dioxide (ISO 23977-1:2020) | Izstrādē |
73588 | LVS EN ISO 23977-1:2022 | Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 1: Method by analysis of evolved carbon dioxide (ISO 23977-1:2020) | Standarts spēkā |
73589 | EN ISO 22526-3:2021 | Plastics - Carbon and environmental footprint of biobased plastics - Part 3: Process carbon footprint, requirements and guidelines for quantification (ISO 22526-3:2020) | Izstrādē |
73589 | LVS EN ISO 22526-3:2022 | Plastics - Carbon and environmental footprint of biobased plastics - Part 3: Process carbon footprint, requirements and guidelines for quantification (ISO 22526-3:2020) | Standarts spēkā |
73590 | EN ISO 23977-2:2021 | 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) | Izstrādē |
73590 | LVS EN ISO 23977-2:2022 | 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) | Standarts spēkā |
73591 | EN ISO 22404:2021 | Plastics - Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment - Method by analysis of evolved carbon dioxide (ISO 22404:2019) | Izstrādē |
73591 | LVS EN ISO 22404:2022 | Plastics - Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment - Method by analysis of evolved carbon dioxide (ISO 22404:2019) | Standarts spēkā |
73593 | EN ISO 22526-2:2021 | Plastics - Carbon and environmental footprint of biobased plastics - Part 2: Material carbon footprint, amount (mass) of CO2 removed from the air and incorporated into polymer molecule (ISO 22526-2:2020) | Izstrādē |
73593 | LVS EN ISO 22526-2:2022 | Plastics - Carbon and environmental footprint of biobased plastics - Part 2: Material carbon footprint, amount (mass) of CO2 removed from the air and incorporated into polymer molecule (ISO 22526-2:2020) | Standarts spēkā |
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