This document specifies the analytical procedure for the determination of silver with a nominal content of and above 999 ? (parts per thousand). This document specifies a method intended to be used as the recommended method for the determination of silver of fineness of and above 999 ?. For the determination of fineness of and above 999,9 ?, modifications described in Annex B apply.
GSO ISO 15096:2023 history
2023GSO ISO 15096:2023 Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES