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BS EN ISO 11490:2023 – TC

BS EN ISO 11490:2023 – TC

$112.35

Tracked Changes. Jewellery and precious metals. Determination of palladium. Gravimetry using dimethylglyoxime

Published By Publication Date Number of Pages
BSI 2023 34
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This document specifies a gravimetric method for the determination of palladium on a material considered homogeneous. The palladium content of the sample lies preferably between 50 and 999 parts per thousand (‰) by mass. Fineness above 999 ‰ can be determined using a spectroscopy method by difference (e.g. ISO 15093). This method is also intended to be used as one of the recommended methods for the determination of fineness in jewellery alloys covered by ISO 9202.

PDF Catalog

PDF Pages PDF Title
1 30471188
21 A-30450642
22 undefined
24 European foreword
Endorsement notice
26 Foreword
27 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
28 6 Apparatus
7 Sampling
8 Procedure
8.1 Preliminary analysis
29 8.2 Preparation of samples free of silver
8.3 Preparation of samples containing silver
8.4 Precipitation of palladium with dimethylglyoxime
30 9 Calculation and expression of results
9.1 Calculation
9.2 Repeatability
10 Test report
31 Annex A (informative) Reduction apparatus example
32 Bibliography

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BS EN ISO 11490:2023 - TC
$112.35