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BS EN 16711-1:2015

BS EN 16711-1:2015

$102.76

Textiles. Determination of metal content – Determination of metals using microwave digestion

Published By Publication Date Number of Pages
BSI 2015 18
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This European Standard specifies a procedure for determination of metals, in particular antimony (Sb), arsenic (As), cadmium (Cd), chromium (Cr), cobalt (Co), copper (Cu), lead (Pb), mercury (Hg), nickel (Ni) in natural and man-made textiles, including coated fabrics and garment components (e.g. buttons, zips, etc.) after microwave digestion.

PDF Catalog

PDF Pages PDF Title
5 European foreword
6 1 Scope
2 Normative references
3 Principle
4 Apparatus
7 5 Reagents
6 Test specimen sampling
6.1 Natural and man-made textiles
6.2 Garment components with painted and other similar surface coatings
6.3 Metallic products
8 6.4 Non-metal products
6.4.1 General
6.4.2 Ceramics, glass and crystal and other siliceous materials
6.4.3 Plastics, polymers ( includes prints and coatings other than 6.2) and other non- siliceous materials
7 Procedure
7.1 Digestion of natural and man-made textiles, and coated fabrics
7.2 Digestion of paint and other similar surface coatings
9 7.3 Digestion of metallic products
7.4 Digestion of non-metal products
7.4.1 Ceramics, glass and crystal and other siliceous materials
10 7.4.2 Plastics, polymers and other non-siliceous materials
7.5 Determination of metals
7.6 Reporting of results
11 8 Reliability of the method
9 Test report
12 Annex A (informative) Laboratory microwave procedure
A.1 Cleaning of polytetrafluoroethylene glassware and vessels
Table A.1 — Example of microwave cleaning digestion with 3 ml HNO3
Table A.2 — Example of microwave cleaning digestion with 5 ml HNO3 and 5 ml water
A.2 Sample preparation (digestion)
13 Table A.3 — Example of microwave digestion for textile samples (10 ml HNO3, 4 ml H2O2/4 ml H2O)
Table A.4 — Example of microwave digestion for textile samples (8 ml HNO3, 2,5 ml H2O2)
14 Annex B (informative) Procedure characteristics
B.1 Trueness complying with ISO 5725-4
Table B.1 — Results of statistical evaluation: Determination of contents after total digestion
Table B.2 — Estimation of method trueness: calculation of the systematic measurement error (bias) δ of the measurement method complying with ISO 5725-4
15 B.2 System precision
B.3 Limit of detection and limit of quantification
16 Bibliography

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BS EN 16711-1:2015
$102.76