Home / Standards / GB/T 8570.7-2010 GB/T 8570.7-2010 Active Determination of liquefied anhydrous ammonia - Part 7: Iron content - o-Phenathroline spectrophotometric method 液体无水氨的测定方法 第7部分：铁含量 邻菲啰啉分光光度法 Standard Type GBT ICS 71.040.40 CCS G10 Status 现行 Issue Date 2010-09-26 Implementation 2011-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A