Home / Standards / GB/T 15072.19-94 GB/T 15072.19-94 Methods for chemical analysis of precious metals and their alloys — Determination of chromium content in gold alloys 贵金属及其合金化学分析方法 金合金中铬量的测定 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A