Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food - Part 2: Permissible limits (ISO 4531-2:1998)— 8 стр.
Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food - Part 1: Method of test (ISO 4531-1:1998)— 14 стр.
Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018); German version EN ISO 4531:2018— 20 стр.
Ceramics, glass, glass ceramics, vitreous enamels; permissible limits for the release of lead and cadmium from articles intended for use in contact with foodstuffs— 4 стр.
Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food - Part 1: Method of test (ISO 4531-1:1998)— 14 стр.
Ceramics, glass, glass ceramics, vitreous enamels; permissible limits for the release of lead and cadmium from articles intended for use in contact with foodstuffs— 4 стр.
Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018); German version EN ISO 4531:2018— 20 стр.
