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UNI EN ISO 11426:2000被替代

Determination Of Gold In Gold Jewellery Alloys - Cupellation Method (fire Assay)

出版：Italian Standards

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基本信息

标准编号： UNI EN ISO 11426:2000

标准类别：Standard

出版单位：Italian Standards

标准页数：0

标准简介

Defines a cupellation method (fire assay) determining gold in gold jewellery alloys. The content should lie between 333 and 999 parts per thousand (0/00). Applicable to specify gold alloys incorporating zinc, copper and silver. Modifications are indicated where nickel and/or palladium are present in so-called white gold alloys, as well as for alloys containing 990 or more parts per thousand (0/00) of gold.

标准备注

Supersedes UNI EN 31426. (12/2000)

替代本标准的新标准

UNI EN ISO 11426 : 2016

等同采用的国际标准

NEN EN ISO 11426:1999 - Identical

ISO 11426:1997 - Identical

SS EN ISO 11426 Ed. 1 (1999) - Identical

UNE EN ISO 11426:1999 - Identical

NS EN ISO 11426 Ed. 2 (1999) - Identical

I.S. EN ISO 11426:1999 - Identical

NBN EN ISO 11426:1999 - Identical