4-AAP分光光度法测定痕量酚影响因素探究  

The Results of Various Factors on the Determination of Trace Phenol with 4-aminoantipyrine Spectrophotometric

作　　者：林旺[1] 吴丹丹[1] 

机构地区：[1]莆田学院环境与生命科学系,福建莆田351100

出　　处：《莆田学院学报》2010年第2期93-95,100,共4页Journal of putian University

摘　　要：主要探讨4-AAP分光光度法测定痕量酚过程中各种因素对其测定结果的影响,并通过比较实验考察不同影响因素对测量精确度的影响程度。除探讨了pH值、4-AAP用量、温度等传统的影响因素外,同时还讨论了金属离子、有机物等因素对测定结果的影响,实验结果表明:pH值、锌离子、苯胺会对测定结果产生较大影响,而4-AAP用量、温度、铜离子和甲醛对测定结果的影响较小。This article mainly discussed the results of various factors on the determination of trace phenol with 4-aminoantipyrine spectrophotometric, and the differential impact factors on the measurement accuracy was examined by comparative test. In addition to the traditional factors of pH, 4-aminoantipyrine dosage, temperature, the impact factors on the determination results of metal ions, organic were added. It showed that： pH, zinc ions, and the aniline had a significant impact on the determination results, while the temperature, the 4-aminoantipyrine dosage, the copper ions and the formaldehyde had less impact on the determination results.

关 键 词：4-AAP 分光光度法 苯酚 影响因素 

分 类 号：O657.3[理学—分析化学]