Lead and cadmium in metallic items in contact with the body - Part 3: Measurement by optical emission spectrometry in inductive coupled plasma (ICP OES) after acidic extraction
€69.91
Jewellery and precious metals - Determination of gold - Cupellation method (fire assay) (ISO/DIS 11426:2020); German and English version prEN ISO 11426:2020
Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide (ISO 11427:2024); German version EN ISO 11427:2024
€63.27
Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2019); German version EN ISO 9202:2019
€48.79
Jewellery and precious metals - Determination of palladium in palladium alloys - ICP-OES method using an internal standard element (ISO 11495:2019); German version EN ISO 11495:2019
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element (ISO 11494:2019); German version EN ISO 11494:2019
Diamond pyramid hardness numbers
€269.00
Dimensions of instrument jewels
Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:1993); German version EN 31426:1994
€41.78
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:1993); German version EN 31427:1994
€34.30
Precious metals - Reference test method for determination of nickel content; German version prEN 1810:1995
Precious metals - Reference test method for release of nickel; German version prEN 1811:1995
Precious metals - Marking of precious metal articles; German version prEN 1812:1995
Precious metal - Solders used with precious metal jewellery alloys; German version prEN 1904:1995
Precious metal and precious metal alloy decorative coatings used in jewellery and associated products; German version prEN 1958:1995