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摘要: |
采用甲基百里酚蓝(MTB)作显色剂,在pH值为5.5-6.5的介质中与铅生成稳定的蓝色配合物,并用领菲罗啉和氟化铵作掩蔽剂,消除多种金属的干扰,应用于汽油微量铅的检测,取得了良好的效果。 |
关键词: 汽油 分光光度法 甲基百里酚蓝 铅 显色剂 MTB |
DOI: |
分类号:TE626.21 TE622.13 |
基金项目: |
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DETERMINATION OF TRACE LEAD IN GASOLINE BY MTB SPECTROPHOTOMETRY |
Lou Fang Yang Guanhan Chen Zhili et al
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Abstract: |
This paper introduces a method for determination of trace lead in gasoline by MTB spectrophotometry.The MTB used as color-developing reagent reacts with lead to form the stable blue complex in the medium of pH 5.5 to 6.5,the 1,10-phenanthroline and ammoni |
Key words: gasoline,spectrophotometry,MTB,lead |