Posted on February 21, 2018February 22, 2018 by Pulse AssentISO 8654:2018 Jewellery. Colours of gold alloys. Definition, range of colours and designation Link: ISO 8654:2018 Jewellery. Colours of gold alloys. Definition, range of colours and designation Source: BSI Standards Related Posts:Government puts business first with Brexit…New laws to introduce digital labelling for…Small businesses benefitting more than ever from…Minister hails ‘world-class’ exporters as new data…UK government sets out AI Safety Summit ambitions