EN ISO 8654:2018/A1:2019 PDF
Jewellery - Colours of gold alloys - Definition, range of colours and designation - Amendment 1 (ISO 8654:2018/Amd 1:2019)
Jewellery - Colours of gold alloys - Definition, range of colours and designation - Amendment 1 (ISO 8654:2018/Amd 1:2019)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 12
- Дата публикации:
- 18 декабря 2019 г.
- Издание:
- CEN EN 8654 edition 1 version 1
- ICS:
- 39.060
Abstract
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 protocols for gold alloys used in jewellery. This amendment, issued by the European Committee for Standardization (CEN), aligns with /Amd 1:2019 and extends the colour measurement methodology to include the , enhancing accuracy and industry applicability.
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