| 分光光度法测定Fe-Ni-Cr三元合金镀层中的铬 |
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| 引用本文： | 王蓉,邹时英.分光光度法测定Fe-Ni-Cr三元合金镀层中的铬[J].福建分析测试,2009,18(4):67-69. |
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| 作者姓名： | 王蓉 邹时英 |
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| 作者单位： | 四川理工学院材料与化学工程系,四川自贡,643000 |
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| 摘 要： | 本文研究了二苯羰酰二肼(DPC)光度法测定铁-镍-铬三元合金镀层中铬含量的方法。在对显色条件、共存离子干扰等研究基础上,进行了相关指标的测定。该方法灵敏度为4.02×104L·mol-1.cm-1,铬的质量浓度在0.0～80μg/50mL范围内服从比尔定律。经用于样品分析,结果满意。
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| 关 键 词： | 分光光度法 二苯羰酰二肼 铁-镍-铬三元合金镀层 铬 |
Determination of Chromium in Fe-Ni-Cr Alloys Plating Layer by Spectrophotometry |
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| Wang Rong,Zou Shi-ying.Determination of Chromium in Fe-Ni-Cr Alloys Plating Layer by Spectrophotometry[J].Fujian Anal Ysis & Testing,2009,18(4):67-69. |
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| Authors: | Wang Rong Zou Shi-ying |
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| Affiliation: | . ( Material and Chemical Engineering Dep4 Sichuan University of Science and Engineering,Zigong, Sichuan 643000,China ) |
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| Abstract: | A spectriphotometric determination of the chromium content in Fe-Ni-Cr alloys has been developed by using Cr-DPC system.The reaction sensitivity was 4.02×10^4 L·mol-1.cm-1. Beer s law is obeyed in the chromium of 0.0～80 μg/50mL.Thesampleanalysisresultsmeettherequirement. |
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| Keywords: | spectriphotometry DCP Fe-Ni-Cr alloys chromium |
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