| 溴酚蓝褪色光度法测定微量溴酸根的研究 |
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| 引用本文： | 龚兰新,高素云,龚艳. 溴酚蓝褪色光度法测定微量溴酸根的研究[J]. 新疆师范大学学报(自然科学版), 2011, 30(2) |
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| 作者姓名： | 龚兰新 高素云 龚艳 |
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| 作者单位： | 新疆师范大学化学化工学院,新疆乌鲁木齐,830054 |
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| 基金项目： | [基金项目]国家自然科学基金项目，新疆维吾尔自治区自然科学基金项目 |
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| 摘 要： | 基于硫酸介质中溴酸根氧化溴酚蓝褪色，建立了测定微量溴酸根的新的褪色光度分析法。在最大吸收波长436nm及选定的实验条件下，溴酸根浓度在0．15～3．8g／mL范围内符合比尔定律，该方法用于化学试剂中痕量溴酸根的测定，结果满意。
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| 关 键 词： | 褪色光度法 溴酚蓝 溴酸根 |
Study on Spectrophototometry Dermination of Micro amount of Bromate by Oxidative Decoloration of Bromophenol Blue |
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| GONG Lan-xin,GAO Su-yun,GONG Yan. Study on Spectrophototometry Dermination of Micro amount of Bromate by Oxidative Decoloration of Bromophenol Blue[J]. Journal of Xinjiang Normal University(Natural Sciences Edition), 2011, 30(2) |
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| Authors: | GONG Lan-xin GAO Su-yun GONG Yan |
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| Affiliation: | GONG Lan-xin,GAO Su-yun,GONG Yan (College of Chemistry and Chemical Engineering,Xinjiang Normal University,Urumqi,Xinjiang,830054,China) |
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| Abstract: | A new photometric method for determining micro amount of bromated ion was developed and was based on the oxidation of hromphenol blue in a sulphuric acid medium. Beer＇s law was obeyed over the range of 0.15-3.8 ug/mL bromated ion with the absorbance measu |
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| Keywords: | Discoloring spectrophototometry Bromophenol Bromate |
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