ÖNORM EN 1904:2001-01

Действует

Precious metals - The finenesses of solders used with precious metal jewellery alloys

Ссылочные документы

Заменен

Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate (ISO 11210:1995)

Заменен

Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014, corrected version 2014-12-15)

Действует

Determination of platinum in platinum jewellery alloys - Gravimetric method after reduction with mercury(I) chloride (ISO 11489:1995)

Действует

Jewellery - Determination of palladium in palladium jewellery alloys - Gravimetric determination with dimethylglyoxime (ISO 11490:2015)

Заменен

Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:1993)