Thorin Colorimetric Method For Thorium Determination
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Thorin Colorimetric Method For Thorium Determination Effect of Some Common Ions, and Methods For Overcoming Interferences. by Canada. Dept. of Mines and Technical Surveys. Mines Branch.

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Published by s.n in S.l .
Written in English


Book details:

Edition Notes

1

SeriesCanada Mines Branch Research Report -- 34
ContributionsBouvier, J.A., Guest, R.J.
ID Numbers
Open LibraryOL21895732M

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  The text surveys the chemical and physical methods in identifying thorium. Gravimetric and fluorescence methods; detection and estimation of thorium by spectroscopic and X-ray analysis; and colorimetric and spectrophotometric methods are discussed. The text also examines the methods of separating thorium from associated Edition: 1. A rapid colorimetric method for the determination of thorium in human urine. Analytica Chimica Acta , 38, DOI: /S(01) F. Culkin, J.P. Riley. The determination of trace amounts of zirconium, hafnium, thorium and cerium in silicate rocks. Analytica Chimica Acta , 32, DOI: /S(00 Cited by: A previous method has been modified to determine less than % of monazite in ilmenite samples, with thorin as the colorimetric reagent; mercuric io Cited by: 5. A sensitive spectrophotometric method has been developed for the determination of microamounts of thorium using % thorin in a 3M perchloric acid solution as a chromogenic reagent and measuring.

l>m;>'(i(ii Cliiinicu Aclit l; I'nblisliiiik; Coiiip.'iiiy, 1'iiiitril in 'riir N> tlnTl.-iinl-. SHORT COMMUNICATIONS A rapid colorimetric method for the determination of thorium in human urine The (It-termination of tlioriuni in urine is needed because of t lie health ha/.ard for workers exposed to internal contamination by tins element; control of thorium. A selective method for the determination of thorium (IV) using an optical sensor is described. in case of spectrophotometric determination of thorium using thorin in solution. colorimetric. The method was used successfully for the determination of ppm-quantities of uranium and thorium in 60 samples of manganese nodules from the Pacific Ocean. View Show abstract. main page. The Determination of Thorium in Monazite Sand by an Emanation Method. Posted on by qyby by qyby.

thorin, has been extensively employed as a reagent for the spectrophotometric determination of thorium in recent years. No studies of the nature of the reaction between thorin and thorium have been reported. In this work, an examination of some properties of the complexes involved has been initiated. Keywords Ames Laboratory Disciplines Chemistry. An X-ray spectrometric method for the determination of thorium in a variety of purified uranium materials is presented. The thorium is separated from the uranium prior to X-ray determination by a 2-thenoyltrifluoroacetone-xylene extraction. A selective method for the determination of thorium (IV) using an optical sensor is described. The sensing membrane is prepared by immobilization of thorin-methyltrioctylammonium ion pair on triacetylcellulose polymer. The sensor produced a linear response for thorium (IV) concentration in the range of × to × mol L-1 with detection limit of × mol L A simple, fast, low cost, and precise direct β-correction spectrophotometric method was developed for thorium determination in water. The method is based on the reaction of Th(IV) with 4-(2.