Home / Standards / GB/T 6276.6-2010 GB/T 6276.6-2010 Abolished Determination of ammonium hydrogen carbonate for industrial use - Part 6: Iron content o - Phenathroline spectrophotometric method 工业用碳酸氢铵的测定方法 第6部分：铁含量 邻菲啰啉分光光度法 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