BS EN ISO 11494:2019 – TC:2020 Edition
$134.27
Tracked Changes. Jewellery and precious metals. Determination of platinum in platinum alloys. ICP-OES method using an internal standard element
Published By | Publication Date | Number of Pages |
BSI | 2020 | 36 |
This document describes an analytical procedure for the determination of platinum in platinum alloys with a nominal content up to 990 ‰ (parts per thousand), including alloys according to ISO 9202.
PDF Catalog
PDF Pages | PDF Title |
---|---|
22 | undefined |
24 | European foreword Endorsement notice |
26 | Foreword |
29 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents |
30 | 6 Equipment 7 Sampling 8 Procedure 8.1 Internal standard solution 8.2 Calibration solutions 8.3 Sample solutions |
31 | 8.4 Preparation of the platinum alloy solution containing ruthenium, iridium, or tungsten 8.5 Measurements 9 Calculation and expression of results 9.1 Calculation |
33 | 9.2 Repeatability 10 Test report |
34 | Bibliography |