Home / Standards / GB/T 9288-2019 GB/T 9288-2019 Active Gold jewellery alloys—Determination of gold—Cupellation method (fire assay) 金合金首饰 金含量的测定 灰吹法(火试金法) Standard Type GBT ICS 39.060 CCS Y88 Status 现行 Issue Date 2019-10-18 Implementation 2020-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A