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BS EN ISO 21392:2021

BS EN ISO 21392:2021

$167.15

Cosmetics. Analytical methods. Measurement of traces of heavy metals in cosmetic finished products using ICP/MS technique

Published By Publication Date Number of Pages
BSI 2021 42
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This document provides a method for quantification of trace levels of heavy metals in cosmetic products.

This document refers only to chromium, cobalt, nickel, arsenic, cadmium, antimony and lead. The methodology can apply to other elements, however, it is the responsibility of the analyst to demonstrate that it fits that purpose.

This document provides a method for quantification of trace levels of heavy metals in cosmetic products.

This document refers only to chromium, cobalt, nickel, arsenic, cadmium, antimony and lead. The methodology can apply to other elements, however, it is the responsibility of the analyst to demonstrate that it fits that purpose.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
10 5 Reagents
5.4 Internal standard stock solutions
6 Apparatus and equipment
6.1 Digestion vessels
6.1.1 General case
11 6.1.2 Special care for quantification of antimony
6.4 ICP-MS
7 Preparation of standards solutions
7.1 General
7.2 Diluted nitric acid
12 7.3 Diluting solution
7.4 Internal standard solutions
7.4.1 General
7.4.2 Rhodium standard solution, 1 mg/l
7.4.3 Lutetium standard solution, 1 mg/l
7.5 Standard solutions
7.5.1 General
13 7.5.2 High concentration mixed standard solution, 10 mg/l
7.5.3 Low concentration mixed standard solution, 0,1 mg/l
7.6 Calibration blank solution
7.7 Calibration solutions
14 8 Procedure
8.1 Preparation of samples
8.2 Pressure assisted digestion
8.2.1 General
8.2.2 Preparation of sample by digestion — General case
15 8.2.3 Preparation of sample by digestion — Specific cases
8.2.4 Microwave digestion procedure
16 8.2.5 Preparation of measurement solutions
8.3 Inductively coupled plasma mass spectrometry
8.3.1 ICP-MS operating conditions
8.3.2 Quantification of the analytes by ICP-MS
17 8.4 Quality control of the analysis
8.4.1 General
18 8.4.2 During digestion
19 8.4.3 During analysis
8.4.4 Example of ICP-MS sequence
20 9 Calculation
10 Method performance
21 11 Test report
22 Annex A (informative) Performance of the method determined by the accuracy profile methodology
30 Annex B (informative) Evaluation of the method via ISO 5725 statistical approach
38 Bibliography

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BS EN ISO 21392:2021
$167.15