— Selective ion flotation separation and concentration of ultra trace amounts of bismuth using arsenazo III and its determination by inductively coupled plasma-atomic emission spectrometry Sep. Sci. Technol., 45 ( 2010 ), pp. 1340 - 1345

 — However, bismuth is seldom present in the deposits of a copper-chloride vein type or in a copper-lead-zinc vein type. Porphyry type deposits can have present bismuth. When bismuth is present as a solid …

Study on Spectrophotometric Method for Determination of Bismuth after Flotation Separation Using Microcrystalline Adsorption System. Xin-rong Wen C. Tu. Chemistry, Materials Science. 2012; The paper presents a novel method for the flotation separation of Bi3+ using microcrystalline adsorption system prior to the determination by …

 — A micro extraction – spectrophotometric procedure is developed for the determination of bismuth in pharmaceutical formulations. The procedure is based on the extraction of tetraiodobismuthate ...

 — A flow injection procedure for the determination of bismuth in pharmaceutical products is described. The procedure is based on the formation of an ion-pair between tetraphenylarsonium and the ...

 — A novel low-blank method is described for the analysis of bismuth in seawater based on preconcentration using an ethylenediaminetriacetic acid chelating …

The determination of trace amounts of bismuth in environmental samples was investigated by hydride generation-atomic absorption spectrometry. For a simpler procedure, an argon-hydrogen flame was used instead of the graphite furnace originally proposed by Lee. Under the analytical conditions proposed here, the detection limit was 1 ng as bismuth (S/N=2) …

Summary. A method is described for the flotation and determination of sub-microgram levels of bismuth in water. Bismuth(III) in a 1000 ml sample of water is coprecipitated with iron(III) hydroxide at pH 4.0 +_ 0.2. ... flotation and determination of bismuth were investi- gated. This method is simple and rapid, and applicable

 — A hydride generation procedure, via flow injection, coupled to electrothermal atomic absorption spectrometry was optimised for Bi determination in sea water and hot-spring water and acid extracts from coal, coal fly ash and slag samples. The effects of several variables such as hydrochloric acid and sodium tetrahydroborate concentrations, …

 — 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 ...

 — Hence, H2O2 has the potential to act as an effective depressant in bismuth sulfide ore flotation. View full-text. Article. Potential controlled flotation of Sarcheshmed molybdenite.

A method is described for the separation and determination of sub-microgram levels of tin in water. A submicrogram amount of tin(II, IV) in a 1000-ml sample of water is coprecipitated with iron(III) hydroxide at pH 4.0±0.2. The precipitate is floated with the aid of sodium dodecyl sulfate and small air bubbles, and then separated and dissolved in 2 ml of 6 M …

 — 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.

 — Metallic bismuth is used principally in alloys, to many of which it imparts its own special properties of low melting point and expansion on solidification (like water and antimony). Bismuth is thus a useful …

 — Hydrogen peroxide (H2O2) is a strong oxidizer that causes non-selective oxidation of sulfide minerals, and its influence on bismuth sulfide ores is not well-documented. In this study, H2O2 was proposed as an alternative bismuthinite depressant, and its effect on a Mo-Bi-containing ore was intensively investigated by batch flotation …

 — In-plane Orientation Determination of Bismuth-based Superconducting Films by X-ray Diffraction[J]. Materials Reports, 2023, 37(S1): 22070253-5. URL:

10.2 Methods of determination. Trace amounts of Bi are determined conveniently by the dithizone method. The Xylenol Orange method is less sensitive. The …

 — A method of determination of Co, Cu, Pb and Ni in nanogram quantities from aragonite is presented. Flotation and extraction of Co, Cu, Pb and Ni is suggested as methods for elimination matrix interferences of calcium. The method of flotation is performed by iron(III) hexamethylenedithiocarbamate, Fe(HMDTC) 3, as a colloid …

Study on Spectrophotometric Method for Determination of Bismuth after Flotation Separation Using Microcrystalline Adsorption System. The paper presents a novel …

 — 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 …

The flotation of tin and bismuth coprecipitated with thionalide at pH 2- 3 is thus useful for the enrichment of low gg 1-a levels of tin(IV) and bismuth(III) from water and sea water. The …

The flotation of tin and bismuth coprecipitated with thionalide at pH 2- 3 is thus useful for the enrichment of low gg 1-a levels of tin(IV) and bismuth(III) from water and sea ... The procedure for the AAS determination of tin and bismuth after the separation were almost the same as previously reported [3, 4]. Acknowledgements.

 — 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, …

 — Apart from the surface reactions taking place the electrochemical conditions under which flotation is achieved in aerated solutions seem to dependant on the amount of iron (figure 2.8) in the ...

 — An efficient method for extracting bismuth (Bi 3+) from a hydrochloric acid (HCl) system by cementation with copper (Cu 0) powder was proposed in this work.The thermodynamic properties of cementation were investigated via cyclic voltammetry measurement and thermodynamic calculation.Then, the effects of reaction temperature, …

 — 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.

A flotation method which utilizes a zirconium hydroxide-sodium oleate-air system at pH 9.1±0.1 is described for the separation of sub-microgram levels of antimony(III), bismuth(III) and tin(IV) in water. The time required for the preconcentration was about 20 min per sample after 20 min of stirring.

 — DOI: 10.1016/J.HYDROMET.2008.12.006 Corpus ID: 97993496; The solvent extraction separation of bismuth and molybdenum from a low grade bismuth glance flotation concentrate @article{Jianguang2009TheSE, title={The solvent extraction separation of bismuth and molybdenum from a low grade bismuth glance flotation concentrate}, …

 — The main purpose of this study is to characterize and separate bismuth from a bismuth glance concentrate through a low-temperature, sulfur-fixing smelting process. This article reports on a study conducted on the optimization of process parameters, such as Na2CO3 and zinc oxide wt pct in charging, smelting temperature, smelting duration …

 — 1 Introduction. Bismuth has been used in medicines for the treatment of helicobacter pylori-induced gastritis [Citation 1, Citation 2].Bismuth and its compounds are also used in semiconductors, cosmetic preparations, alloys and metallurgical additives and in the preparation and recycling of uranium nuclear fuels [Citation 3].As the uses of …