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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 8454-2020 |
Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method 焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法 |
China National Standards content—Potassium |
 English PDF |
| GB/T 4698.20-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第4部分：锰量的测定 高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards content—Potassium |
English PDF |
| GB/T 4698.9-2017 |
Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9：Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第9部分：锡量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards content—Potassium |
English PDF |
| GB/T 13747.1-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 1：Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry 锆及锆合金化学分析方法 第1部分：锡量的测定 碘酸钾滴定法和苯基荧光酮-聚乙二醇辛基苯基醚分光光度法 |
China National Standards content—Potassium |
English PDF |
| GB/T 34162-2017 |
Natural gas—Determination of arsenic content—Potassium permanganate sample method 天然气 砷含量的测定 高锰酸钾取样法 |
China National Standards content—Potassium |
English PDF |
| GB/T 4698.4-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第4部分：锰量的测定 高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards content—Potassium |
English PDF |
| GB/T 6730.21-2016 |
Iron ores—Determination of manganse content—Potassium periodate spectrophotometric method 铁矿石 锰含量的测定 高碘酸钾分光光度法 |
China National Standards content—Potassium |
English PDF |
| GB/T 6730.8-2016 |
Iron ores—Determination of iron(II) content—Potassium dichromate titrimetric method 铁矿石 亚铁含量的测定 重铬酸钾滴定法 |
China National Standards content—Potassium |
English PDF |
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