GB/T 12687.5-1990
Chemical analysis of nitrate of rare earth for agriculture—Determination of chrome content-sys—Diphenyl carbazide spectrophotometric method
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB/T 22924-2024
Determination of biuret content for compound fertilizers
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
DB51/T 1560-2013
GB/T 10514-2012
Determination of free water for nitrophosphate - Oven method
GB/T 22924-2008
Determination of biuret content for compound fertilizers(complex fertilizers)
GB/T 6730.26-2017
Iron ores—Determination of fluorine content—Thorium nitrate titrimetric method
GB/T 10513-2012
Determination of free water for nitrophosphate - Karl fischer method
GB/T 15401-1994
Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 10512-2008
Determination of phosphorus content for nitrophosphate - Quinoline phosphomolybdate gravimetric method
GB/T 20618-2006
Fireworks and firecrackers - Determination of nitrates content in pyrotechnic composition
DB32/T 1540-2009
NY/T 1376-2007
Determination of Biuret Content for Compound Fertilizers - Spectrophotometric Method
SH/T 1498.4-1997
Nylon 66 salt—Determination of content of pseudo nitric acid
HB/Z 5109.8-2001
GB/T 19339-2003
Rapid determination of nitrate in vegetables