ISO 4531:2022 PDF

Scope: This document specifies a simulating method of test for determination of the release of metal-ions from enamelled articles, which are intended to come into contact with food. This document also specifies limits for the release of metal-ions from enamelled articles, which are intended to come into contact with food. This document is applicable to enamelled articles, including tanks and vessels, which are intended to be used for the preparation, cooking, serving and storage of food.

ISO 4531:2022 Referenced Document

ISO 1042 Laboratory glassware - One-mark volumetric flasks
ISO 28764 Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron
ISO 3585 Borosilicate glass 3.3 - Properties
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 4788 Laboratory glassware - Graduated measuring cylinders
ISO 648 Laboratory glassware - Single-volume pipettes

2022 ISO 4531:2022 Vitreous and porcelain enamels — Release from enamelled articles in contact with food — Methods of test and limits
2018 ISO 4531:2018 Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits