HIGH-ORDER DERIVATIVE SPECTROPHOTOMETRIC DETERMINATION OF URANIUM IN A CATIONIC MICELLAR MEDIUM

被引:15
作者
AGNIHOTRI, NK [1 ]
SINGH, VK [1 ]
SINGH, HB [1 ]
机构
[1] UNIV DELHI,DEPT CHEM,DELHI 110007,INDIA
关键词
SIMULTANEOUS DETERMINATION; SURFACTANT; ISODIFFERENTIAL POINTS; PEAK HEIGHT; TROUGH DEPTH; SPECTROPHOTOMETRY;
D O I
10.1039/an9952001809
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A derivative spectrophotometric method is developed for the determination of U-VI with 1,4-dihydroxy-9,10-anthracenedione in the presence of cetylpyridinium chloride. The 1:1 complex at pH 5.6 shows maximum absorbance at 600 nm; Beer's law is obeyed in the range 4.76 X 10-(1)-19.04 mu g ml(-1). The molar absorption coefficient and Sandell's sensitivity of the complex are 1.19 x 10(4) l mol(-1) cm(-1) and 2.00 x 10(-2) mu g cm(-2), respectively. The proposed method is applied to the determination of U-VI in mixtures containing various amounts of Th-IV and Be-II without preseparation using second-order derivative absorption plots. A rapid procedure for the simultaneous determination of UO2II and Ben in binary mixtures is also reported.
引用
收藏
页码:1809 / 1814
页数:6
相关论文
共 28 条
[1]   SIMULTANEOUS DETERMINATION OF BERYLLIUM AND ALUMINUM IN MIXTURES USING DERIVATIVE SPECTROPHOTOMETRY [J].
AGNIHOTRI, NK ;
SINGH, HB ;
SHARMA, RL ;
SINGH, VK .
TALANTA, 1993, 40 (03) :415-423
[2]   APPLICATIONS OF INDUCTIVELY COUPLED PLASMA MASS-SPECTROMETRY TO THE PRODUCTION CONTROL OF AEROSPACE AND NUCLEAR-MATERIALS [J].
BECK, GL ;
FARMER, OT .
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY, 1988, 3 (06) :771-773
[4]  
GARG S, 1981, RADIOCHEM RADIOANAL, V49, P149
[5]   DETERMINATION OF URANIUM BY GRAPHITE FURNACE-AAS [J].
HAMM, U ;
BACHMANN, K .
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1983, 315 (07) :591-597
[6]   DETERMINATION OF URANIUM AT ULTRATRACE LEVELS BY TIME-RESOLVED LASER FLUORIMETRY [J].
ISHIBASHI, K ;
SAKAMAKI, S ;
IMASAKA, T ;
ISHIBASHI, N .
ANALYTICA CHIMICA ACTA, 1989, 219 (02) :181-190
[7]   SPECTROPHOTOMETRIC DETERMINATION OF TRACE URANIUM WITH ERIOCHROME AZUROL-B AND CHROME AZUROL-S IN THE PRESENCE OF THE CATIONIC SURFACTANT SEPTONEX [J].
JANCAR, L ;
SLEZACKOVA, B ;
SOMMER, L .
TALANTA, 1989, 36 (05) :549-555
[8]   DETERMINATION OF URANIUM IN TECHNOLOGICAL WATERS BY ION-PAIR LIQUID-CHROMATOGRAPHY [J].
JANCAROVA, I ;
KRIZOVA, H ;
KUBAN, V .
TALANTA, 1991, 38 (10) :1093-1097
[9]   DETERMINATION OF TRACE AMOUNTS OF THORIUM AND URANIUM IN COAL ASH BY INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION-SPECTROMETRY AFTER EXTRACTION WITH 2-THENOYLTRIFLUOROACETONE AND BACK-EXTRACTION WITH DILUTE NITRIC-ACID [J].
KAMATA, E ;
NAKASHIMA, R ;
FURUKAWA, M .
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY, 1987, 2 (03) :321-324
[10]   THE REACTION OF UO22+ WITH CHROMAZUROL S AND THE SPECTROPHOTOMETRIC DETERMINATION OF URANIUM IN THE PRESENCE OF SEPTONEX [J].
KANICKY, V ;
HAVEL, J ;
SOMMER, L .
COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, 1980, 45 (05) :1525-1554