NBN EN ISO 17075 : 2008
Current
The latest, up-to-date edition.
LEATHER - CHEMICAL TESTS - DETERMINATION OF CHROMIUM(6) CONTENT
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Procedure
7.1 Sampling and preparation of samples
7.2 Preparation of analytical solution
7.3 Determination of chromium(VI) in the solution
obtained from the extraction procedure
7.4 Blank solution
7.5 Calibration
7.6 Determination of the recovery rate
7.6.1 Influence of the matrix
7.6.2 Influence of the RP material
8 Calculation and expression of results
8.1 Calculation of chromium(VI) content
8.2 Recovery rate (according to 7.6.1)
8.3 Expression of results
9 Test report
Annex A (informative) - Reversed phase material
Annex B (informative) - Accuracy
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