Home / Standards / GB/T 11446.5-2013 GB/T 11446.5-2013 Active Test method for measuring trace metals in electronic grade water by atomic absorption spectrophotometry 电子级水中痕量金属的原子吸收分光光度测试方法 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2013-12-31 Implementation 2014-08-15 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A