BS ISO 11494 2008 Jewellery. Determination ofplatinum in platinum jewellery alloys. Inductively coupled plasma (ICP)solution-spectrometric method using yttrium as internal standard element
简介:BS ISO 11494 2008 Jewellery. Determination ofplatinum in platinum jewellery alloys. Inductively coupled plasma (ICP)solution-spectrometric method using yttrium as internal standard element.pdf