Study on Spectrophotometric Method for Determination of Bismuth after Flotation Separation Using Microcrystalline Adsorption System. Xin-rong Wen C. Tu. Chemistry, …
Therefore, Bi3+ was separated completely from the above metal ions. A new method for flotation separation and determination of bismuth using microcrystalline adsorption …
A method is described for the flotation and determination of sub-microgram levels of bismuth in water. Bismuth(III) in a 1000ml sample of water is coprecipitated with iron(III) hydroxide at pH 4.0±0.2. The precipitate is floated with the aid of a mixed surfactant (sodium dodecyl sulphate and sodium oleate) and small air bubbles, then separated and …
An Application of Depressant BK510 in Separation of Molybdenite and Bismuth by Flotation. Contributor (s): Y Shang, Z Wang, X Cheng. Return to parent product.
Abstract A new, simple, rapid, selective, and sensitive flow‐injection analysis (FIA) method for the spectrophotometric determination of Bi is described. It is based on reaction of Bi (III) with I− ions in the presence of cationic surfactants (CS), i.e., cetylpyridinium chloride, cetyltrimethylammonium bromide, tetradecyltrimethylammonium bromide, …
A rapid, selective, and highly sensitive froth flotation method for the separation and enrichment of ultra trace amounts of bismuth is developed. The bismuth-Arsenazo III complex is concentrated fr...
Determination of silver, antimony, bismuth, copper, cadmium and indium in ores, concentrates and related materials by atomicabsorption spectrophotometry after methyl isobutyl ketone extraction as iodides
A sensitive and selective method for the determination of bismuth based on adsorptive stripping voltammetry using cupferron as a complexing agent is p…
A hydride generation procedure, via flow injection, coupled to electrothermal atomic absorption spectrometry was optimised for Bi determination in sea water and hot-spring …
The paper presents a novel method for the flotation separation of Bi3+ using microcrystalline adsorption system prior to the determination by spectrophotometry.
A simple spectrophotometric method for the determination of bismuth potassium ammonium citrate in the cleaning wastes of industrial equipment using 4- (2'-pyridylazo)-resorcinol is proposed.
A method is described for the flotation and determination of sub-microgram levels of bismuth in water. Bismuth(III) in a 1000ml sample of water is coprecipitated with iron(III) …
The proposed procedure of pre-concentration is applied prior to the determination of bismuth using inductively coupled plasma–atomic emission spectrometry (ICP-AES).
A new, selective, and highly sensitive nanodrop spectrophotometric (NDS) method was developed for the determination of bismuth(III) with iodide and N-octylacetamide (N-OAA). The extraction of the Bi(III)–iodide–N-OAA complex was carried out using a synthesized organic reagent, i.e. chloroform solutions of various amides, …
The paper presents a novel method for the flotation separation of Bi3+ using microcrystalline adsorption system prior to the determination by spectrophotometry.
In this study, solid-phase extraction followed by the spectrophotometric determination of bismuth is reported. The method is simple, sensitive, and selective and allows for the determination of Bi (III) at concentrations as …
A novel low-blank method is described for the analysis of bismuth in seawater based on preconcentration using an ethylenediaminetriacetic acid chelating resin column followed …
A new type depressant, BK510, which developed by Beijing General Research Institute of Mining and Metallurgy for the molybdenite and bismuth flotation separation was introduced.
The accumulation of 210Po generated by neutron-irradiated lead–bismuth eutectic (LBE) is a noticeable issue for the radiation protection of the generation-IV reactor. In this study, FISPACT-2007 was used to simulate the activation of 210Po in neutron-irradiated LBE. The specific activity of polonium-210 was measured by α spectrometry …
Technique of flotation concentration and atomic absorption determination of bismuth microquantities in alloys on the basis of copper and zinc has been developed. Fine-dispersed EhDEh-10P anionite was used as a carrier in …
The additional target was a precise study of the influences of organic substances on the simultaneous determination of bismuth and cadmium. As it was described before even a bit of an organic substances concentration disturbs both bismuth and cadmium voltammetric signals [12], [13].
A method for the determination of arsenic, bismuth, germanium, lead, antimony, selenium, tin and tellurium by means of hydride generation is described. The hydrides are generated by adding the…
In this study, solid-phase extraction followed by the spectrophotometric determination of bismuth is reported. The method is simple, sensitive, and selective and allows for the …
The effect of six reaction media on the determination of bismuth at trace levels in environmental samples by hydride generation and inductively coupled plasma-atomic emission spectrometry.
A cloud point extraction method for the preconcentration of ultra-trace bismuth in human serum prior to its determination by inductively coupled plasm…
A new method for flotation separation and determination of bismuth using microcrystalline adsorption system was established. The proposed method has been successfully applied to the determination of Bi 3+ in bismuthiferous drug samples, and …
Bismuth is a trace element of the Earth's crust, which is becoming environmentally significant. Although bismuth has relatively low toxicity, it can form characteristic intracytoplasmatic inclusions. This article illustrates the increasing need for fast pre-treatment techniques and highly sensitive detection methods for accurate …
Theprocedure for th flotation separation and for the digestion with nitric andperchloric acids were almost thesame aspre-viously reported [5]. For the determination of bismuth, transfer adequate aliquots of the resultant solu (20 ion ml) into a20 ml calibrated flask, add 4 ml of hydrochloric acid and 1ml of potassium iodide solution (20%w/v) into heflask and …
Die rel. Standardabweichung war <3%.SummaryA method is described for the flotation and determination of sub-microgram levels of bismuth in water. Bismuth (III) in a 1000ml …
Semantic Scholar extracted view of "Polarographic microdetermination of iron, manganese, lead, copper, bismuth, and tin in organic compounds: Application to analysis of pharmaceuticals" by S. W. Bishara et al.
Fabrication of sensitive photoelectrochemical aptasensor using Ag nanoparticles sensitized bismuth oxyiodide for determination of chloramphenicol
A new, simple, rapid, selective, and sensitive flow‐injection analysis (FIA) method for the spectrophotometric determination of Bi is described. It is based on reaction of Bi (III) with I ions ...
Considering the fact that lead and bismuth are very close in the periodic table (number atomic: 82 Pb, 83 Bi), they can have similar behaviour during flotation. It means that collection and depression is very similar for both. So, applying the lead-copper separation technique is possible separate bismuth and copper too.
Study on Spectrophotometric Method for Determination of Bismuth after Flotation Separation Using Microcrystalline Adsorption System Xin-Rong Wen* and Chang-Qing Tu College of Chemistry and Environment, Jiaying University, Meizhou, Guangdong 514015, P. R. China (Received Aug. 2, 2011; Accepted Sept. 5, 2011; Published Online Sept. 14, …
The paper presents a novel method for the flotation separation of Bi3+ using microcrystalline adsorption system prior to the determination by spectrophotometry. The effects of different parameters, such as the dosages of KI and dodecyl trimethyl ammonium bromide (DTMAB), various salts and acidity etc. on the flotation yield of Bi3+ have been …
A spectrophotometric method for the determination of microgram amounts of bismuth(III) is described based on the solvent extraction of bismuth(III) from 0.5–3.0 mol dm–3 HCl with Cyanex 301 in toluene. The BiIII complex with Cyanex 301 in toluene gives a yellow colour (λmax, 439 nm; molar absorptivity, 5.53 × 103 l mol–1 cm–1). Bismuth has been …
The determination is made in the usual way : 50 c.c. of the prepared solution, which should not carry more than 0.75 milligram nor less than 0.01 milligram of bismuth, are placed in a Nessler tube and the colour compared with that observed in a similar tube containing water and potassium iodide on adding the standard solution of bismuth.
