BS EN ISO 4531:2018 Vitreous and porcelain enamels. Release from enamelled articles in contact with food. Methods of test and limits

Coatings
Non-metallic coatings
Vitreous enamel
Detergents
Washing tests
Ceramic coatings
Corrosion tests
Chemical-resistance tests
Alkali-resistance tests

Link: BS EN ISO 4531:2018 Vitreous and porcelain enamels. Release from enamelled articles in contact with food. Methods of test and limits
Source: BSI Standards