| 镍磷合金中磷含量的测定方法比较 |
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| 引用本文： | 杨春,成红砚.镍磷合金中磷含量的测定方法比较[J].无机盐工业,2011,43(7):56-58,61. |
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| 作者姓名： | 杨春 成红砚 |
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| 作者单位： | 1. 贵阳中医学院,贵州贵阳,550002
2. 贵州省地质矿产中心实验室 |
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| 摘 要： | 磷含量对镍磷合金的物理化学性质影响很大,快速、准确地测定镍磷合金中的磷含量,对监测、控制合金的质量有重要作用。首先按适当工艺规范制备镍磷合金(镀层),然后分别采用EDTA滴定镍间接换算法、磷钼钒黄分光光度法、磷钼酸铵容量法测定合金中的磷含量,并与采用标准方法测定的结果进行对比,从测定结果的准确性、测定数据的精密性、测定方法的简便性3方面考察每种方法的优劣;结果表明:EDTA滴定镍间接换算法具有简便、快捷、准确、精密的优点,值得在生产过程和实验研究中推广应用。
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| 关 键 词： | 镍磷合金 磷含量 EDTA滴定法 准确性 精密性 |
Phosphorus content determination method comparison in nickel phosphorus alloy |
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| Yang Chun,Cheng Hongyan.Phosphorus content determination method comparison in nickel phosphorus alloy[J].Inorganic Chemicals Industry,2011,43(7):56-58,61. |
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| Authors: | Yang Chun Cheng Hongyan |
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| Affiliation: | Yang Chun1,Cheng Hongyan2 (1.Guiyang College of Traditional Chinese Medicine,Guiyang 550002,China,2.Guizhou Provincial Centre Laboratory of Geology and Minerals) |
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| Abstract: | As phosphorus content greatly influences physico-chemical properties of nickel phosphorus alloy,fast and accurately determinating phosphorus content in Ni-P alloy,is very important for monitoring and controlling the quality of alloy.Ni-P alloy(coating) according to the suitable craft standard was prepared at first,then EDTA titrating nickel indirect conversion method,phosphorus molybdenum vanadium yellow spectrophotometric method,and ammonium phosphomolybdate volumetric method were used to determine phospho... |
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| Keywords: | nickel phosphorus alloy phosphorus content EDTA titrimetric method accuracy precision |
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