DIN EN ISO 4531:2018 Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018)
2022DIN EN ISO 4531:2022-08 Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2022); German version EN ISO 4531:2022
2021DIN EN ISO 4531:2021 Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO/DIS 4531:2021); German and English version prEN ISO 4531:2021
2018DIN EN ISO 4531:2018 Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018)
2017DIN 51032:2017 Ceramics, glass, glass ceramics - Permissible limits for the release of lead and cadmium from articles intended for use in contact with food
2015DIN ISO 4531-2:2015 Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food - Part 2: Permissible limits (ISO 4531-2:1998)
0000 DIN ISO 4531-2:2013
1986DIN 51032:1986 Ceramics, glass, glass ceramics, vitreous enamels; permissible limits for the release of lead and cadmium from articles intended for use in contact with foodstuffs