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    刘怡,曾巧云,杨晓云. 测定氰化物的等效方法[J]. 华南农业大学学报, 2003, 24(4): 116-117. DOI: 10.7671/j.issn.1001-411X.2003.04.032
    引用本文: 刘怡,曾巧云,杨晓云. 测定氰化物的等效方法[J]. 华南农业大学学报, 2003, 24(4): 116-117. DOI: 10.7671/j.issn.1001-411X.2003.04.032
    shu
    LIU Yi,ZENG Qiao yun,YANG Xiao yun. Determination of Cyanide in Wastewater by Isonicotinic Acid-Barbiturie Acid[J]. Journal of South China Agricultural University, 2003, 24(4): 116-117. DOI: 10.7671/j.issn.1001-411X.2003.04.032
    Citation: LIU Yi,ZENG Qiao yun,YANG Xiao yun. Determination of Cyanide in Wastewater by Isonicotinic Acid-Barbiturie Acid[J]. Journal of South China Agricultural University, 2003, 24(4): 116-117. DOI: 10.7671/j.issn.1001-411X.2003.04.032
    shu

    测定氰化物的等效方法

    Determination of Cyanide in Wastewater by Isonicotinic Acid-Barbiturie Acid

      摘要
    • 摘要: 以异烟酸-巴比妥酸作为显色剂测定废水中的氰化物(λmax=598nm)，与异烟酸-吡唑啉酮和吡啶。巴比妥酸的国标方法具有良好的可比性，通过实验确定最佳条件，废水加标回收率为98．3％-102．5％。

       

      Abstract: The determination method of determining cyanide in wastewater by isonicotinic acid barbituric acid was introduced in this paper. The optimum condition of spectroscopic measurement was determined and the measuring wavelength was 598 nm. The standard recovery rate to wastewater is between 98 3% and 102 5%, This method was comparable to the pyridine barbituric acid and isonicotinic acid pyrrazolone method.

       

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