Home / Standards / GB/T 29509.1-2013 GB/T 29509.1-2013 Abolished Methods for chemical analysis of gold-loaded carbon - Part 1: Determination of gold content 载金炭化学分析方法 第1部分：金量的测定 Standard Type GBT ICS 73.060.99 CCS D46 Status 废止 Issue Date 2013-05-09 Implementation 2014-02-01 Responsible Dept 国家标准委 Drafting Unit N/A