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 6276.1-2008
Determination of ammonium hydrogen carbonate for industrial use—Part 1:Ammonium hydrogen carbonate content—Acid-base method
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 6276.5-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 5:Ash content—Gravimetric method
GB/T 6276.8-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 8:Arsenic content—Gutzeit method
GB/T 6276.4-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 4:Sulphate content—Visible turbidimetric method
GB/T 6276.2-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 2:Chloride content—Potentiometric titration method
GB/T 6276.9-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 9:Heavy metal content—Visible turbidimetric method
GB/T 6276.3-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 3:Sulphide content—Visible turbidimetric method
GB/T 6730.30-2017(\u82f1\u6587\u7248)
铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
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
GB/T 6276.6-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 6:Iron content—o-Phenathroline spectrophotometric method
GB/T 6276.7-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 7:Arsenic content—Silver diethyl dithiocarbamate photometric method
GB/T 13748.21-2009(\u82f1\u6587\u7248)
镁及镁合金化学分析方法 第21部分:光电直读原子发射光谱分析方法测定元素含量
T/CSTM 00660.2-2023
GB/T 13748.20-2009(\u82f1\u6587\u7248)
镁及镁合金化学分析方法 第20部分:ICP-AES测定元素含量
GB/T 10209.2-2010
Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content
GB/T 10209.1-2008
Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
SY/T 6867-2012
Test method of core carbonate content
GB/T 16484.13-2017
Chemical analysis methods for rare earth chloride and light rare erath carbonate--Part 13: Determination of ammonium chloride content