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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40795.1-2021 |
Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method 镧铈金属及其化合物化学分析方法 第1部分：铈量的测定 硫酸亚铁铵滴定法 |
China National Standards content—Ammonium |
 English PDF |
| GB/T 4698.10-2020 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium） 海绵钛、钛及钛合金化学分析方法 第10部分：铬量的测定 硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法（含钒） |
China National Standards content—Ammonium |
English PDF |
| GB/T 24583.1-2019 |
Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method 钒氮合金 钒含量的测定 硫酸亚铁铵滴定法 |
China National Standards content—Ammonium |
English PDF |
| GB/T 4698.12-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 12：Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第12部分：钒量的测定 硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards content—Ammonium |
English PDF |
| GB/T 32784-2016 |
Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method 含镍生铁 铬含量的测定 过硫酸铵-硫酸亚铁铵滴定法 |
China National Standards content—Ammonium |
English PDF |
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