1 Scope
This document specifies a limited number of colours of gold alloy and the method to measure colours .
It applies to objects made of gold alloys or coated by gold alloys.
BS EN ISO 8654:2018+A1:2019 history
2020BS EN ISO 8654:2018+A1:2019 Jewellery. Colours of gold alloys. Definition, range of colours and designation
2018BS EN ISO 8654:2018 Jewellery. Colours of gold alloys. Definition, range of colours and designation
1993BS EN 28654:1993 Colours of gold alloys. Definition, range of colours and designation