On Analysis of Vanadium in the Build-up Welding Material A<sub>1</sub>

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On Analysis of Vanadium in the Build-up Welding Material A₁

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- On Analysis of Vanadium in the Build-up Welding Material A₁
- 堆焊材料A₁中钒的测定
- Issue 3, Pages: 137-140(1987)
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- Published：1987
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关济安, 车翠萍. On Analysis of Vanadium in the Build-up Welding Material A₁[J]. 1987, (3): 137-140.
DOI：

关济安, 车翠萍. On Analysis of Vanadium in the Build-up Welding Material A₁[J]. 1987, (3): 137-140. DOI：

堆焊材料 A_1成分复杂

均匀度较差

其中钒含量不高

采用常规氧化还原滴定法

铬干扰严重。本法在用高锰酸钾氧化低价钒之前加入少量亚铁盐溶液

还原高价铬

并在滴定前加入少量亚砷酸盐

从而得了较满意的效果。

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On Analysis of Vanadium in the Build-up Welding Material A1