Home / Standards / GB/T 11886-2015 GB/T 11886-2015 Active Silver jewellery alloys—Determination of sliver—Volhard method 银合金首饰 银含量的测定 伏尔哈特法 Standard Type GBT ICS 39.060 CCS Y88 Status 现行 Issue Date 2015-06-02 Implementation 2016-01-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A