摘要
采用新型离子色谱电导检测器对吲哚 3 乙酸和吲哚 3 丁酸在流速为 1.5ml·min- 1,2 .5mmol·L- 1Na2 CO3 和 1.0mmol·L- 1NaHCO3 和 10 % (体积分数 )甲醇水的混合淋洗液下能够较好的分离 ,吲哚 3 乙酸和吲哚 3 丁酸检出限分别为 1.4 5 4和 4 .86 2mg·L- 1(S/N =3) ,具有良好的线性关系和重现性。在土壤样品中其加标的回收率分别为 10 3.7%和 97.9%。
Indol-3-acetic acid and indol-3-butyric acid were separated and determined by ion chromatography with inhibitory conductometric detector. A mixed solution composing 2.5mmol·L -1 Na 2CO 3, 1.0mmol·L -1 NaHCO 3 and 10% (by volume) CH 3OH was used as eluant and the elution was performed at a flowrate of 1.5ml·min -1. The detection limit (S/N=3) of indol-3-acetic acid was found to be 1.454mg·L -1 and that for indol-3-butyric acid to be 4.862mg·L -1. Experimental results obtained showed good linearity and repeatability. The recoveries obtained in the analysis of soil samples attained values of 103.7% (for indol-3-acetic acid) and 97.9% (for indol-3-butyric acid).
出处
《理化检验（化学分册）》
CAS
CSCD
北大核心
2002年第9期448-449,共2页
Physical Testing and Chemical Analysis(Part B:Chemical Analysis)
基金
浙江省教育厅基金 ( 2 0 0 10 436 )
浙江省分析测试基金 ( 0 10 17)
