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Standard [WITHDRAWN]

DIN EN ISO 11494:2016-12

Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11494:2014); German version EN ISO 11494:2016

German title
Schmuck - Bestimmung von Platin in Platinschmucklegierungen - ICP-OES-Verfahren unter Verwendung von Yttrium als Internem Standardelement (ISO 11494:2014); Deutsche Fassung EN ISO 11494:2016
Publication date
2016-12
Original language
German
Pages
16

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Publication date
2016-12
Original language
German
Pages
16
DOI
https://dx.doi.org/10.31030/2582563

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Overview

This document describes a method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness specified in ISO 9202, by means of inductively coupled plasma optical emission spectrometry (ICP-OES). This method applies to platinum jewellery alloys that might contain silver, indium, iridium, gallium, copper, cobalt, nickel, tin, and ruthenium. However, this list is not exhaustive and care is always to be taken to investigate potential interference effects. This method is intended to be used as the recommended method for the determination of fineness in alloys covered by ISO 9202 up to 990 parts per thousand. This document (ISO 11494) has been prepared by Technical Committee ISO/TC 174 "Jewellery" (secretariat: DIN, Germany) of the International Organization for Standardization (ISO) and shall now be adopted as EN ISO 11494. The responsible German standardization committee is Working Committee NA 027-04-04 AA "Analysenmethoden zur Bestimmung des Feingehalts von Edelmetallen" ("Methods of analysis for determination of fineness of precious metals") at DIN Standards Committee Optics and Precision Mechanics (NAFuO).

Content
ICS
39.060
DOI
https://dx.doi.org/10.31030/2582563
Replacement amendments

This document has been replaced by: DIN EN ISO 11494:2019-12 .

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