| 不同显色体系利用分光光度法测定钙镁离子含量比较 |
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| 引用本文： | 王海英,;谷晓庆,;李诗吉,;王晓阳,;陈彦广,;柳艳修. 不同显色体系利用分光光度法测定钙镁离子含量比较[J]. 化学工业与工程技术, 2014, 0(3): 74-77 |
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| 作者姓名： | 王海英, 谷晓庆, 李诗吉, 王晓阳, 陈彦广, 柳艳修 |
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| 作者单位： | [1]东北石油大学化学化工学院,黑龙江大庆163318; [2]大庆油田化工有限公司技术开发研究院,黑龙江大庆163453; [3]东北石油大学石油工程学院,黑龙江大庆163318; [4]大庆油田有限公司销售分公司,黑龙江大庆163318 |
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| 基金项目： | 国家自然科学基金资助项目（51074033）. |
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| 摘 要： | 利用分光光度法比较了3种显色体系——酸性铬蓝K、铬黑T、酸性铬蓝K-萘酚绿B在测定钙镁离子浓度时所需试验条件的差异。结果表明:利用酸性铬蓝K-萘酚绿B混合溶液作为显色剂时,所得钙镁离子浓度标准曲线拟合度好,结果准确。
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| 关 键 词： | 分光光度法 酸性铬蓝K 铬黑T 萘酚绿B 钙镁离子 |
Comparation of measuring the concentration of calcium and magnesium ions by spectrophotometry in different chromogenic system |
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| Affiliation: | WANG Haiying,GU Xiaoqing,LI Shiji,WANG Xiaoyang,CHEN Yanguang,LIU Yanxiu( 1.College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, China; 2.Daqing Oil Field Chemical Industry Co., Ltd., Technological Development Research Institute, Daqing163453, China; 3.College of Petroleum Engineering, Northeast Petroleum University, Daqing 163318, China; 4.Daqing Oilfield Co., Ltd., Sales Company, Daqing 163318, China;) |
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| Abstract: | The differences of test conditions in measuring the concentration of calcium and magnesium ions using three chromogenic systems of acid chrome blue K,eriochrome black T,and acid chrome blue K-naphthol green B by spectrophotometry are compared.The results show that using acid chrome blue K-naphthol green B mixed solution as chromogenic agent can make the standard curve fit well,and the result is accurate. |
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| Keywords: | spectrophotometry acid chrome blue K eriochrome black T naphthol green B calcium and magnesium ions |
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