DIN EN ISO 11426-2016 珠宝.金和金珠宝合金的测定.火吹法(火试验法)(ISO 11426-2014, 修正版 2014-12-15).德文版本EN ISO 11426-2016
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014, Corrected version 2014-12-15); German version EN ISO 11426:2016