ISO 6486-1:2019
Ceramic ware, glass ceramic ware and glass dinnerware in contact with food — Release of lead and cadmium — Part 1: Test method
This document specifies a test method for the release of lead and cadmium from ceramic ware, glass ceramic ware and glass dinnerware intended to be used in contact with food, but excluding vitreous and porcelain enamel articles (covered by ISO 4531).
This document is applicable to ceramic ware, glass ceramic ware and glass dinnerware which is intended to be used for the preparation, cooking, serving and storage of food and beverages, excluding all articles used in food manufacturing industries or in which food is sold.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Reagents and materials
5.1 Reagents
5.2 Materials and supplies
6 Apparatus
6.1 Analytical techniques
6.2 Accessories
7 Sampling
7.1 Priority
7.2 Sample size
7.3 Preparation and preservation of test samples
8 Procedures
8.1 Determination of reference surface area for flatware
8.2 Preparation of articles which cannot be filled
8.3 Extraction
8.3.1 Extraction temperature
8.3.2 Leaching
8.3.3 Sampling of the extraction solution for analysis
8.3.4 Drinking rim test
8.4 Articles used in repeated contact with foodstuffs
9 Analytical methods
9.1 General
9.2 Calculation of release of lead and cadmium from ceramic hollowware
9.3 Calculation of release of lead and cadmium from flatware
9.4 Calculation of release of lead and cadmium from drinking rim
10 Test report
Annex A (informative) Analytical method using ICP-MS
Annex B (informative) Analytical method using FAAS
Annex C (informative) Analytical method using ICP-OES
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Reagents and materials
5.1 Reagents
5.2 Materials and supplies
6 Apparatus
6.1 Analytical techniques
6.2 Accessories
7 Sampling
7.1 Priority
7.2 Sample size
7.3 Preparation and preservation of test samples
8 Procedures
8.1 Determination of reference surface area for flatware
8.2 Preparation of articles which cannot be filled
8.3 Extraction
8.3.1 Extraction temperature
8.3.2 Leaching
8.3.3 Sampling of the extraction solution for analysis
8.3.4 Drinking rim test
8.4 Articles used in repeated contact with foodstuffs
9 Analytical methods
9.1 General
9.2 Calculation of release of lead and cadmium from ceramic hollowware
9.3 Calculation of release of lead and cadmium from flatware
9.4 Calculation of release of lead and cadmium from drinking rim
10 Test report
Annex A (informative) Analytical method using ICP-MS
Annex B (informative) Analytical method using FAAS
Annex C (informative) Analytical method using ICP-OES
Bibliography