Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 39138.1-2020 |
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1:Determination of gold content—Potentiometric titration using ferrous sulfate 金镍铬铁硅硼合金化学分析方法 第1部分:金含量的测定 硫酸亚铁电位滴定法 |
China National Standards content—Potentiometric |
English PDF |
GB/T 1506-2016 |
Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron(Ⅱ) sulphate titrimetric method 锰矿石 锰含量的测定 电位滴定法和硫酸亚铁铵滴定法 |
China National Standards content—Potentiometric |
English PDF |
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