| 新显色剂对氨磺酰基苯基重氮氨基偶氮苯测定煤渣及粉煤灰中的痕量镉 |
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| 引用本文： | 王永丰,何家红.新显色剂对氨磺酰基苯基重氮氨基偶氮苯测定煤渣及粉煤灰中的痕量镉[J].淮北煤炭师范学院学报(自然科学版),1991(3). |
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| 作者姓名： | 王永丰 何家红 |
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| 作者单位： | 淮北煤炭师范学院化学系，淮北煤炭师范学院化学系 |
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| 摘 要： | 本文报道了新显色剂对氨磺酰基苯基重氮氨基偶氮苯与Cd(Ⅱ)的显色反应,在TritonX-100的存在下,在pH10.0的硼砂和氢氧化钠缓冲溶液中,该试剂与Cd(Ⅱ)可生成1∶3的红色配合物,其最大吸收波长位于480nm 处,摩尔吸光系数为1.07×10~5l·mol~(-1)·cm~(-1) ,镉的含在0-0.6μg/ml 范围内遵守朗伯-比耳定律,将该方法用于测定煤渣及粉煤灰中的痕量镉,结果满意。
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| 关 键 词： | 新显色剂对氨磺酰基苯基重氮氨基偶氮苯 分光光度测定 镉 |
Spectrophotometric determination of trace Cadmium in coal cinder and coal ash by the new Chromogenic reagent-P-Sulfamoyl-benzene diazoaminoazobenzene |
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| Wang yongfeng He Jiahong.Spectrophotometric determination of trace Cadmium in coal cinder and coal ash by the new Chromogenic reagent-P-Sulfamoyl-benzene diazoaminoazobenzene[J].Journal of Huaibei Coal Industry Teachers College(Natural Science edition),1991(3). |
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| Authors: | Wang yongfeng He Jiahong |
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| Institution: | Wang yongfeng He Jiahong |
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| Abstract: | |
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| Keywords: | New chromogenic Reagent-P-Sulfamoyl Benzene diazoam-inoazobenzene Spectrophotometric Determination Cadmium |
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