EN ISO 11427 E 标准查询与下载
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Draft Document - Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German and English Version prEN ISO 11427:2016
Determination of silver content in jewelry silver alloy jewelry Potassium bromide volumetric method (potentiometric titration) (draft)
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014); German version EN ISO 11427:2016
Jewellery and precious metals - Determination of silver in silver alloys - Potentiometry using potassium bromide (ISO/DIS 11427:2023); German and English version prEN ISO 11427:2023
Jewellery and precious metals - Determination of silver in silver alloys - Potentiometry using potassium bromide (ISO/DIS 11427:2023)
Full Description ADOPTED_FROM:EN ISO 11427:2024 This document specifies a volumetric method for the determination of silver
Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide (ISO 11427:2024)
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014)
Full Description ADOPTED_FROM:EN ISO 11427:2016 The method of ISO 11427:2014 describes a volumetric method
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014)
Jewellery – Determination of silver in silver jewellery alloys – Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014)
Jewelery - Determination of silver in silver jewelery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014)
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide. TECHNICAL CORRIGENDUM 1 (ISO 11427:1993/Cor.1:1994)
