Home / Standards / GB/T 6276.9-2010 GB/T 6276.9-2010 Abolished Determination of ammonium hydrogen carbonate for industrial use - Part 9: Heavy metal content - Visible turbidimetric method 工业用碳酸氢铵的测定方法 第9部分：重金属含量 目视比浊法 Standard Type GBT ICS 71.060.50 CCS G12 Status 废止 Issue Date 2010-06-30 Implementation 2011-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A