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BS EN ISO 17226-1:2019

BS EN ISO 17226-1:2019

$102.76

Leather. Chemical determination of formaldehyde content – Method using high performance liquid chromatography

Published By Publication Date Number of Pages
BSI 2019 16
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PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Conformance
5 Principle
8 6 Reagents
6.1 Reagents for the formaldehyde stock solution
6.2 Reagents for the HPLC method
7 Apparatus
9 8 Procedures
8.1 Procedure for the determination of formaldehyde in the stock solution
8.1.1 Preparation of the formaldehyde stock solution
8.1.2 Determination
8.2 Procedure for the determination of formaldehyde in leather by the HPLC method
8.2.1 Sampling and preparation of samples
8.2.2 Extraction
10 8.2.3 Reaction with DNPH
8.2.4 Calibration of HPLC
8.2.5 Calculation of the formaldehyde content in leather samples
11 8.2.6 Spiking — determination of recovery rate
9 Expression of results
10 Test report
12 Annex A (informative) Precision: reliability of the chromatographic HPLC method
13 Annex B (informative) HPLC conditions
14 Bibliography

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BS EN ISO 17226-1:2019
$102.76