2 edition of Determination of bismuth after iodide extraction found in the catalog.
Determination of bismuth after iodide extraction
Steve McLean
Published
1990
by Laurentian University in Sudbury, Ont
.
Written in
Edition Notes
| Statement | Steve McLean. |
| The Physical Object | |
|---|---|
| Pagination | v, 13 l. : |
| Number of Pages | 13 |
| ID Numbers | |
| Open Library | OL22161839M |
Abstract. The extraction behavior of bismuth(III) was studied with N-n-octylaniline as a function of parameters viz. concentration of mineral acid, reagent, eluents and elution time.A selective, sensitive, less expensive and more precise method has been developed for the extraction chromatographic separation of bismuth(III) and its separation from several metal ions with N-n-octylaniline. This book is composed of 25 chapters, and begins with a presentation of the methods for dissolving, bulk separation, sampling, and handling of sodium metal. The rest of the book describes the procedures for impurity determination in nuclear grade sodium metals, including aluminum, bismuth, boron, cadmium, calcium, magnesium, carbon, cesium, and.
The developed methods allowed the fast and sensitive determination of iodine species with detection limits of mu g l(-1) (as l) for both iodide and iodate with. If you needed an average of ml of iodine solution to react grams of vitamin C, then you can determine how much vitamin C was in a sample. For example, if you needed ml to react your juice (a made-up value - don't worry if you get something totally different): ml iodine solution / g Vit C = ml iodine solution.
SPEARATE DETERMINATION}, author = {de Angelis, G. and Geradri, M.}, abstractNote = {Results obtained in the separate determination of copper (1 to 5%) and bismuth ( to 1%) in an aluminum alloy, in the presence of lead (1%), iron (%), and traces of arsenic, antimony, and cadmium, are reported. The determination at lambda = m mu oc. Precipitation in the Form of basic Bismuth Formate Determination in the Form of Bismuthyl Chloride Determination in the Form of Bismuthyl Iodide Determination in the Form of Bismuth(III) Phosphate Determination in the Form of Bismuth(III) Sulphide The Deposition of Metallic Bismuth by Electrolysis
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The present report deals with the photometric determination of bismuth Determination of bismuth after iodide extraction book dithizone after iodide extraction with isoamyl acetate from perchloric acid solution. After separation of the aqueous phase, the isoamyl acetate extract is shaken with an aqueous solution of dithizone in a buffer of pH roio.5 containing cyanide, sulfite, and by: 5.
Hasssanien MM, Ali AZ. Determination of bismuth traces by HG–ICP–OES after separation by cloud point extraction using thiourea and iodide mixture. Arabian Journal for Science and Engineering. ; – doi: / by: 4. Bismuth (0–20 μg ml −1) can be determined spectrophotometrically at nm after its adsorptive extraction from dilute sulfuric acid solution as tetrabutylammonium tetraiodobismuthate(III) on microcrystalline benzophenone followed by dissolution of the solid phase in ethyl effects of reaction conditions, diverse ions and masking studies are by: Talanta, Vol.
25, pp. Pergamon Press, Printed in Great Britain. SPECTROPHOTOMETRIC DETERMINATION OF BISMUTH IN CONCENTRATES AND NON-FERROUS ALLOYS BY THE IODIDE METHOD AFTER SEPARATIONS BY DIETHYLDITHIO- CARBAMATE AND XANTHATE EXTRACTION ELSIE M. DONALDSON Mineral Sciences Cited by: A method is described for the atomic-absorption spectrophotometric determination of 2 to µg g –1 of bismuth in cast irons and stainless steels.
From an aqueous solution of an alloy, 23 M in hydrochloric acid, 009 M in ascorbic acid and 02 M in potassium iodide, the bismuth was extracted quantitatively into isobutyl methyl ketone, by shaking the mixture once, while the base Cited by: Three different neutron activation analysis methods have been developed for the determination of ppb levels of iodine in food samples.
The methods are based on the separation of iodine using toluene extraction followed by bismuth sulfide coprecipitation; bismuth sulfide coprecipitation followed by. Microgram amounts of antimony, tin, lead and bismuth are extracted quantitatively from a 10 per cent.
hydrochloric acid solution of the sample containing 2 per cent. of ascorbic acid and 6 per cent. of potassium iodide, in a single s extraction, into a 5 per cent.
solution of trioctylphosphine oxide in 4-methylpentanone. The occluded silver can be readily recovered by washing the precipitate with ~4Af ammonia solution.2'3 How- ever, the development of a suitable group iodide extraction/AAS method, which would be applicable to the determination of both antimony and bismuth in ores of moderate and high lead content, and which would involve extraction from.
Separation of bismuth from beryllium, lead, iron(III), indium, scandium, lanthanum, antimony(III), zirconium, titanium, thorium, vanadium(V), molybdenum(VI), uranium (VI) and chromium(VI) is achieved by selective extraction of bismuth from M sodium salicylate solution (adjusted to pH 7) into mesityl oxide (MeO).
The extracted species is Bi (HOC 6 H 4 COO) 3 3MeO. We developed a highly sensitive and selective cloud point extraction methodology for the preconcentration of trace levels of Bi(III) prior to Bi analysis by hydride generation inductively coupled plasma optical emission spectrometry (HG–ICP–OES).
Bismuth (III) ions were extracted as ternary mixed iodo/thiourea complexes, at pH This extraction was mediated by micelles of non-ionic.
An absorption photometric method for the determination of cadmium in cast iron by extraction as a dithizonate is described. The sample is decomposed by perchloric acid. After an addition of citric acid, ammonium hydroxide is added up to pH 9.
Cadmium is extracted together with copper and nickel by dithizone --chloroform solution. An investigation has been carried out to establish a rapid method for the determination of bismuth in geological samples (especially geochemical exploration samples) by flame atomic absorption spectrometry using a boosted-output hollow cathode lamp.
Bismuth iodide is first extracted into isobutyl methyl ketone and. A method for the determination of sub-parts per trillion (10 12) levels of bismuth in sea-water after preconcentration with solvent extraction and back-extraction has been method utilizes 20 cm 3 of a mol dm –3 solution of triisooctylamine (TIOA) in heptane and cm 3 of sea-water at pH Bismuth is back-extracted from the organic phase by 1 × 10 cm 3 and 2 × 5 cm 3.
Determination of Bismuth Traces by HG–ICP–OES After Separation by Cloud Point Extraction Using Thiourea and Iodide Mixture Article in ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 37(5). Yasuyuki Miura's 42 research works with citations and reads, including: ChemInform Abstract: Separation and Determination of Inorganic Sulfur Species by Suppressed Ion Chromatography.
Bismuth is first separated by extraction of its iodide complex with methyl isobutyl ketone, and other interfering metals by extraction of their oxinate complexes at pH Iron is determined as its thiocyanate complex after extraction with methyl isobutyl ketone.
bismuth thiocyanate remaining in. A new, rapid methodology for trace analysis using solid-phase extraction is described. The two-step methodology is based on the concentration of an analyte onto a membrane disk and on the determination by diffuse reflectance spectroscopy of the amount of analyte extracted on the disk surface.
This method, which is adaptable to a wide range of analytes, has been used for monitoring. Bismuth (III) tetraiodide complex was used as a reagent for the determination of some nitrogenous compounds–37 On mixing aqueous solutions of bismuth (III) tetraiodide complex and drug in acidic medium, a reddish orange precipitate instantaneously appeared that is attributed to the ion- pair formed in the reaction.
This precipitate was. The relative standard deviations for the determination of mg l−1 bismuth and mg l−1 zinc were and %, respectively, for five determinations. The procedure is simple, rapid and. Determination of total cadmium in calcareous soils by extraction using aliquat‐ and 3‐heptan‐one after aqua regia digestion.
Communications in Soil Science and Plant Analysis25 (). Determination of bismuth in sea-water by electrothermal atomic absorption spectrometry after liquid–liquid extraction and micro-volume back-extraction.
The Analyst(12), DOI: /AN Andrzej Postupolski, Jerzy Golimowski.Determination of cadmium, copper and lead in urine by flame atomic absorption spectrometry after extraction of the iodide complexes as ion-pairs with tri-n-octylamine.
Analytica Chimica Acta .Spectrophotometric determination of bismuth in concentrates and non-ferrous alloys by the iodide method after separations by diethyldithiocarbamate and xanthate extraction. Donaldson EM(1). Author information: (1)Mineral Sciences Laboratories, Canada Centre for Mineral and Energy Technology, Department of Energy, Mines and Resources, Ottawa, Canada.
