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毛细管柱气相色谱法测定城市污水中烷基汞 被引量:5

Determination of the Mercury Alkyl Mercuryalkylide in Municipal Sewage by Gas Chromatography Method Using DB- WAX Capillary Column
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摘要 建立了DB-WAX毛细管柱气相色谱法测定城市污水中烷基汞的方法。在优化条件下,测定范围为0.10~1.00 mg/L,甲基汞和乙基汞的相关系数分别为R=0.9998、0.9999。当水样取1 L时,甲基汞检出限为6.9 ng/L,乙基汞检出限为4.4 ng/L。通过基体加标回收,甲基汞和乙基汞的回收率均可控制在90%~105%之间,测定结果的RSD均<1%。 A gas chromatography method using DB-WAX capillary column was established to determine the mercury alkyl mercuryalkylide in municipal sewage.On optimum condition , the measurement range was 0.10~1.00 mg/L, the correlation coefficient of methylmercury was 0.9998 , the correlation coefficient of ethylmercury was 0.9999.When 1 L water sample was taken , the detection limit of methylmercury was 6.9 ng/L, the detection limit of ethylmercury was 4.4 ng/L.Through the recovery of standard addition , the recovery rate of methylmercury and ethylmercury was in the ring of 90%~105%, the RSD was less than 1%.
出处 《广州化工》 CAS 2015年第12期132-134,共3页 GuangZhou Chemical Industry
关键词 烷基汞 甲基汞 乙基汞 气相色谱法 城市污水 mercury alkyl mercuryalkylide methylmercury ethylmercury gas chromatography municipal sewage
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参考文献7

  • 1Lee Y H. Determination of Methyl-and Ethylmercury in Natural Waters at Sub - nanogram Per Liter Using SCF - Adsorbent, Intern [ J ]. L Environ. Anal. Chem. , 1987,29 (4) :263.
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二级参考文献3

  • 1俞穆清,刘桂琴,曾宪津.环境水样中痕量元素现场巯基棉富集的实验研究[J]环境化学,1985(02).
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  • 3Jiang Gui-bin,Ni Zhe-ming,Wang Shun-rong,Han Heng-bin. Organic mercury speciation in fish by capillary gas chromatography interfaced with atomic absorption spectrometry[J] 1989,Fresenius’ Zeitschrift für Analytische Chemie(1):27~30

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