Home / Standards / GB/T 24199-2009 GB/T 24199-2009 Active Refined pyridine - Determination of pyridine content - Gas chromatographic method 纯吡啶中吡啶含量的气相色谱测定方法 Standard Type GBT ICS 71.080.15 CCS G18 Status 现行 Issue Date 2009-07-08 Implementation 2010-04-01 Responsible Dept 国家标准委 Drafting Unit N/A