POTENTIOMETRIC FLOW-INJECTION DETERMINATION OF IODIDE AND IODINE

被引:18
作者
DAVEY, DE
MULCAHY, DE
OCONNELL, GR
机构
[1] School of Chemical Technology, S.A. Institute of Technology, Ingle Farm, SA 5098
关键词
D O I
10.1016/0039-9140(90)80059-O
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A potentiometric flow-injection system is described, in which iodide in the concentration range 10-6-10-1M may be determined at rates of up to 360 samples/hr at a flow-rate of 17.8 ml/min. Iodine, after on-line reduction to iodide with 0.1M sodium metabisulphite, can also be determined, with a throughput of 60 samples/hr for 10-5-10-3M iodine. Analyses of two pharmaceutical preparations for iodide and iodine are reported, and the results are in reasonable agreement with titrimetric values. © 1990.
引用
收藏
页码:313 / 316
页数:4
相关论文
共 14 条
[1]   RAPID-FLOW CONTINUOUS ANALYSIS WITH ION-SELECTIVE ELECTRODES [J].
ALEXANDER, PW ;
SEEGOPAUL, P .
ANALYTICAL CHEMISTRY, 1980, 52 (14) :2403-2406
[2]   AN AUTOMATED VISCOMETER BASED ON HIGH-PRECISION FLOW-INJECTION ANALYSIS .1. APPARATUS FOR HIGH-PRECISION FLOW-INJECTION ANALYSIS [J].
BETTERIDGE, D ;
CHENG, WC ;
DAGLESS, EL ;
DAVID, P ;
GOAD, TB ;
DEANS, DR ;
NEWTON, DA ;
PIERCE, TB .
ANALYST, 1983, 108 (1282) :1-16
[3]   RESPONSE OF FLUORIDE-ION SELECTIVE ELECTRODE IN ORGANIC-SOLVENTS [J].
COETZEE, JF ;
MARTIN, MW .
ANALYTICAL CHEMISTRY, 1980, 52 (14) :2412-2416
[4]  
DAVEY DE, 1986, ANAL LETT, V19, P1387
[5]  
DAVEY DE, IN PRESS J CHEM ED
[6]  
MULLER H, 1984, MODERN TRENDS ANAL C, P353
[7]  
PUNGOR E, 1971, PURE APPL CHEM, V51, P1915
[8]   DIRECT DETERMINATION OF FLUORIDE IN SEA-WATER WITH A FLUORIDE SELECTIVE ION ELECTRODE BY A METHOD OF STANDARD ADDITIONS [J].
RIX, CJ ;
BOND, AM ;
SMITH, JD .
ANALYTICAL CHEMISTRY, 1976, 48 (08) :1236-1239
[9]  
Ross J. W., 1971, U.S. Patent, Patent No. [3,563,874, 3563874]
[10]   FLOW-INJECTION POTENTIOMETRIC DETERMINATION OF RESIDUAL CHLORINE IN WATER [J].
TROJANOWICZ, M ;
MATUSZEWSKI, W ;
HULANICKI, A .
ANALYTICA CHIMICA ACTA, 1982, 136 (APR) :85-92