Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin; German version EN 1811:2023
€105.42
Jewellery and precious metals - Determination of silver in silver alloys - Potentiometry using potassium bromide (ISO/DIS 11427:2023); German and English version prEN ISO 11427:2023
€63.27
Minimum requirements for gold dealers and gold investment products
€0.00
Screening test for the presence of nickel in articles which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin; German and English version CEN/TR 12471:2022
Jewellery and precious metals - Determination of palladium - Gravimetry using dimethylglyoxime (ISO 11490:2023); German version EN ISO 11490:2023
€69.91
Jewellery and precious metals - Determination of platinum - Gravimetry using ammonium chloride (ISO 11210:2023); German version EN ISO 11210:2023
Jewellery and precious metals - Determination of gold - Cupellation method (fire assay) (ISO/DIS 11426:2020); German and English version prEN ISO 11426:2020
Jewellery - Fineness of precious metal alloys (ISO 9202:2014); German and English version prEN ISO 9202:2016
€48.79
Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate (ISO 11210:2014); German and English version prEN ISO 11210:2016
€56.17
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014); German and English version prEN ISO 11426:2016
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German and English Version prEN ISO 11427:2016
Jewellery - Determination of palladium in palladium jewellery alloys - Gravimetric determination with dimethylglyoxime (ISO 11490:2014); German and English version prEN ISO 11490:2016
Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11494:2014); German and English version prEN ISO 11494:2016
Jewellery - Determination of palladium in palladium jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11495:2014); German and English version prEN ISO 11495:2016
Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin; German version EN 1811:2011+A1:2015
€98.32
