2019DIN EN ISO 3451-1:2019-05 Plastics - Determination of ash - Part 1: General methods (ISO 3451-1:2019); German version EN ISO 3451-1:2019
2019DIN EN ISO 3451-1:2019 Plastics - Determination of ash - Part 1: General methods (ISO 3451-1:2019)
2018DIN EN ISO 3451-1:2018 Plastics - Determination of ash - Part 1: General methods (ISO/DIS 3451-1:2018); German and English version prEN ISO 3451-1:2018
2008DIN EN ISO 3451-1:2008 Plastics - Determination of ash - Part 1: General methods (ISO 3451-1:2008); English version of DIN EN ISO 3451-1:2008-11