GoldMoney Laboratory

Conventional techniques for precious metal quality assessment Historically, inspection of gold quality has mostly involved chemical analysis to determine purity, using techniques such as fire assay[1]. But as this is a wholly destructive technique, there are obvious disadvantages. More recently minimally or non-destructive techniques ...

Modern methods of chemical analysis One should keep in mind that the required sampling for chemical analysis will always damage the inspected item. Though fire assay can be used to test alloyed coins and jewellery of lower finenesses as well, this essay is focused on the testing of pure gold with finenesses above 995. Traditional ...

Quality assessment of fine gold (part 1 of 2) Introduction Gold quality designation Many countries have enacted consumer protection targeted regulations on quality and marking of precious metal goods. In addition, two internationally widely accepted regulations exist: “Good delivery Rules” from the London Bullion Market ...