| 微库仑法测定新疆棉浆粕企业废水中可吸附有机卤素AOX |
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| 引用本文： | 马莹,段小燕.微库仑法测定新疆棉浆粕企业废水中可吸附有机卤素AOX[J].干旱环境监测,2020(1):32-34. |
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| 作者姓名： | 马莹 段小燕 |
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| 作者单位： | 新疆维吾尔自治区生态环境监测总站 |
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| 摘 要： | 建立微库仑滴定法测定水质中可吸附有机卤素AOX的方法,考察3种活性炭柱对于空白的影响。实验结果表明,AOX的检出限为2.19μg/L,相对标准偏差为2.80%,纯水中高、中、低加标回收率在92.5%~107%,新疆棉浆粕企业废水中加标回收率为96.0%~101%。实验室空白也只有新购开封的耶拿原装活性炭小柱能满足标准要求的空白值(<30μg/L)。
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| 关 键 词： | 可吸附有机卤素AOX 微库伦法 空白值 新疆棉浆粕企业废水 |
Determination of Absorbable Organic Halogens(AOX)in Xinjiang Cotton Pulp Black Liquor Water by using Microcoulometry |
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| MA Ying,Duan Xiao-yan.Determination of Absorbable Organic Halogens(AOX)in Xinjiang Cotton Pulp Black Liquor Water by using Microcoulometry[J].Arid Environmental Monitoring,2020(1):32-34. |
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| Authors: | MA Ying Duan Xiao-yan |
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| Institution: | (Xinjiang Ecological Environment Monitoring Centre,Urumqi Xinjiang 830011,China) |
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| Abstract: | Determination of absorbable organic halogens(AOX)in Xinjiang cotton pulp black liquor water by using Microcoulometry was established.The developed method showed high relative recoveries for P-Chlorophenol in pure water at different concentrations from 92.5%to 107%and 96.0%to 101%in Xinjiang cotton pulp black liquor water.The detection limits of method was 2.19μg/L,the relative standard deviation was 2.8%.Only the newly-opened Jena original activated carbon columns could meet the demand of system blank value in standard(<30μg/L) |
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| Keywords: | absorbable organic halogens(AOX) microcoulometry system blank value Xinjiang cotton pulp black liquor water |
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