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    冯玉海, 沈本贤, 等. 用改进的尿素络合法测定石蜡、微晶蜡中正异构烷烃含量[J]. 华东理工大学学报(自然科学版), 2001, (2): 173-176.
    引用本文: 冯玉海, 沈本贤, 等. 用改进的尿素络合法测定石蜡、微晶蜡中正异构烷烃含量[J]. 华东理工大学学报(自然科学版), 2001, (2): 173-176.
    Determination of the Contents of n-and i-Paraffins in Paraffin and Microcrystalline Waxes by Modified Urea Adduction[J]. Journal of East China University of Science and Technology, 2001, (2): 173-176.
    Citation: Determination of the Contents of n-and i-Paraffins in Paraffin and Microcrystalline Waxes by Modified Urea Adduction[J]. Journal of East China University of Science and Technology, 2001, (2): 173-176.

    用改进的尿素络合法测定石蜡、微晶蜡中正异构烷烃含量

    Determination of the Contents of n-and i-Paraffins in Paraffin and Microcrystalline Waxes by Modified Urea Adduction

    • 摘要: 采用正交试验,通过与气相色谱法测定结果进行对照,确定了用改进的尿素络合法测定石蜡的正异构烷烃含量的最佳条件;尿素与石蜡用量之比为3:1(m/m),活化剂与尿素用量之比为0.18:1(m/m),反应时间2h,反应温度25℃。实验结果表明,该法不但可以测定石蜡,而且可发测定微晶蜡和混合蜡中正异构烷的含量,其结果与色谱法测定基本一致。

       

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