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Overview EN ISO 8654:2018 (ISO 8654:2018) - "Jewellery - Colours of gold alloys - Definition, range of colours and designation" standardizes how the colour of gold alloys is defined, measured and des…
Overview The EN ISO 8654:2018/A1:2019 amendment updates the international standard for Jewellery - Colours of gold alloys, focusing on the precise definition, range of colours, and designation protoc…
Overview The SIST EN ISO 8654:2018/A1:2020 amendment updates the international standard for Jewellery - Colours of gold alloys, focusing on the precise definition, range of colours, and designation p…
Overview ISO 8654:2018/Amd 1:2019 is an amendment to the international standard that defines and specifies the colours of gold alloys used in jewellery. This document, developed by the ISO Technical…
Overview ISO 8654:2018 - Jewellery - Colours of gold alloys - Definition, range of colours and designation - defines a limited set of standardized gold alloy colours and the methods to measure and de…
