| 气相色谱法测定选矿排放水中的2号油 |
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| 引用本文： | 张鸣玲. 气相色谱法测定选矿排放水中的2号油[J]. 广东有色金属学报, 1998, 8(2): 149-152 |
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| 作者姓名： | 张鸣玲 |
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| 作者单位： | 广州有色金属研究院 |
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| 摘 要： | 用气相色谱法测定选矿排放水中２号油的含量，在合适的色谱分离条件下，用毛细管柱和程序升温增强２号油各组分的分离效果；应用氢焰电离检测器，提高检测灵敏度。用乙酸乙酯萃取浓缩样品，并经过试验确定最佳萃取时间，提高样品的检出极限和测定准确度。通过标准加入测定的回收率为９８％￣９９％，对同一样品重复进样５次观察分析精密度，其标准偏差小于０．０２％。
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| 关 键 词： | 气相色谱 选矿排放水 2号油 选矿 浮选 起泡剂 |
DETERMINATION OF2~# OIL IN DISCHARGED WATER FROM MINERAL PROCESSING BY GASCHROMATOGRAPHY |
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| ZH AN G Mingling. DETERMINATION OF2~# OIL IN DISCHARGED WATER FROM MINERAL PROCESSING BY GASCHROMATOGRAPHY[J]. Journal of Guangdong Non-Ferrous Metals, 1998, 8(2): 149-152 |
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| Authors: | ZH AN G Mingling |
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| Abstract: | The content of 2 # oil in the discharged water from mineral processing has been determined by gas chromatography.Under suitable chromatographic conditions,the separation effect is strengthened by the use of capillary column and sequential heating;hy- drogen flame ionization detector is applied for improving the detection sensitivity.Acetic ether is applied to extract the concentrated sample and the optimum extraction time is deter- mined through tests,so that the detection limit and determination accuracy of the sample can be enhanced.The standard addition recovery ranges from98% to99% .The analysis accura- cy is observed by feeding the same sample for 5 times repeatedly,and the standard deviation is less than0 .0 2 % . |
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| Keywords: | gas chromatography discharged water from mineral processing 2 # oil |
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