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反相流動(dòng)注射化學(xué)發(fā)光測(cè)定間苯二酚

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圖1 流動(dòng)注射-化學(xué)發(fā)光測(cè)定間苯二酚示意圖

2 結(jié)果與討論 2.1 化學(xué)發(fā)光動(dòng)力學(xué)曲線 在流動(dòng)體系中對(duì)luminol-KIO4及間苯二酚化學(xué)發(fā)光體系的動(dòng)力學(xué)曲線進(jìn)行了研究。當(dāng)間苯二酚不存在時(shí),化學(xué)發(fā)光值在luminol和KIO4混合后12s達(dá)到最大值,在25s內(nèi)降為零。當(dāng)間苯二酚進(jìn)入混合溶液,化學(xué)發(fā)光被減弱,且最大化學(xué)發(fā)光值隨間苯二酚濃度的增大而減小。

表1 人體血清和脂溢酊針劑中間苯二酚含量的測(cè)定結(jié)果 (n=5)

1 María R, Roberto AO, Luis D, et al. Simultaneous determination of cloramphenicol, salicylic acid and resorcinol by capillary zone electrophoresis and its application to pharmaceutical dosage forms. Talanta, 2003, 61: 233-238. 2 曾紅,孫國(guó)祥,岑立濟(jì). 反相高效液相色譜測(cè)定皸裂平酊劑中水楊酸、間苯二酚、氯霉素的含量. 色譜, 2001,19(4): 370-371. 3 Kubán P, Flowers H. On-line preconcentration for the ion chromatographic determination of chlorophenolic and phenolic compounds in environmental samples using electrochemical detection. Analytica Chimica Acta, 2001, 437(1): 115-122. 4 Zhenghua S, Lin W. Resorcinol chemosensor based on detection of chemiluminescence with immobilized reagents. Microchemical Journal, 2001, 68: 47-52

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