Home / Standards / GB/T 3597-2002 GB/T 3597-2002 Active Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method 肥料中硝态氮含量的测定 氮试剂重量法 Standard Type GBT ICS 65.080 CCS G20 Status 现行 Issue Date 2002-09-24 Implementation 2003-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A