Determination of bismuth(III) in environmental and …
— 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, …
Selective Ion Flotation Separation and Concentration of Ultra …
— A simple and sensitive spectrophotometric determination of bismuth(III) is based on the reaction between bismuth(III) and o-hydroxyhydroquinonephthalein in the …
Spectrophotometric Determination of Bismuth with …
— 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.
Study on Spectrophotometric Method for Determination of Bismuth …
— 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 the results agreed well with those obtained by pharmacopoeia method. The recoveries were …
FLOTATION OF SUB-MICROGRAM AMOUNTS OF ANTIMONY, 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.
Effect of H2O2 on the Separation of Mo-Bi-Containing Ore by Flotation
— 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 …
Analytical techniques for the determination of bismuth in …
— Distribution of the literature about bismuth determination in environmental solid samples as a function of the analytical technique employed. Among atomic spectrometric techniques, electrothermal atomic absorption spectrometry (ET-AAS) is used by greatest number of workers while others (i.e. flame atomic absorption spectrometry …
Lead-Bismuth Flotation
— 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 …
Bismuth
10.2 Methods of determination. Trace amounts of Bi are determined conveniently by the dithizone method. The Xylenol Orange method is less sensitive. The …
Determination of arsenic, antimony, selenium, tellurium and bismuth …
— DOI: 10.1016/S0003-2670(98)00291-8 Corpus ID: 94913932; Determination of arsenic, antimony, selenium, tellurium and bismuth in nickel metal by hydride generation atomic fluorescence spectrometry
Thermodynamics Calculation and Experimental Study on …
— 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 …
Determination of bismuth in pharmaceutical products using liquid–liquid
— 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 ...
An application of depressant bk510 in separation of …
— 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.
Advances in bismuth utilization for biomedical applications …
This study reviews the increasing utilization of bismuth in the biomedical field over the past two decades. Through bibliometric analysis, the researc…
Spectrophotometric determination of bismuth with N,N′ …
Study on Spectrophotometric Method for Determination of Bismuth after Flotation Separation Using Microcrystalline Adsorption System. The paper presents a novel …
Selective Ion Flotation Separation and Concentration of …
— 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 4.00.2.
Thermodynamics Calculation and Experimental Study on …
— 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, …
Determination of cobalt, nickel, lead, bismuth and indium …
— 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 …
Bismuth | Properties, Uses, Symbol, & Facts
— 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 …
Characteristics, Applications and Determination of Bismuth
— 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 ...
Cloud-point extraction of bismuth (III) with nonionic surfactants …
— The solvent extraction separation of bismuth and molybdenum from a low grade bismuth glance flotation concentrate. Hydrometallurgy (2009) ... Towards determination of trace amount of bismuth (III) ions in real samples, we used cellulose/CBIMMT-resulted-ligand nanocomposite for its preconcentration and …
Fundamentals of the flotation behaviour of palladium bismuth tellirudes
— 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 ...
Application of bismuth bulk annular band electrode for determination …
— A study of a new type of mercury-free working electrode – the bismuth bulk annular band working electrode (BiABE) – applied for thallium(I) detection via differential pulse anodic stripping voltammetry (DP ASV), preceded by the complexation of interfering ions (Cd 2+, Pb 2+) with EDTA in an acetate buffer (pH 4.5), is reported.The …
Application of Internal Standard for Micro Extraction
— A micro extraction – spectrophotometric procedure is developed for the determination of bismuth in pharmaceutical formulations. The procedure is based on the extraction of tetraiodobismuthate ...
Determination of Bismuth in Environmental Samples by …
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) …
In-plane Orientation Determination of Bismuth-based …
— In-plane Orientation Determination of Bismuth-based Superconducting Films by X-ray Diffraction[J]. Materials Reports, 2023, 37(S1): 22070253-5. URL:
The Separation of Tin from Water and Sea-water by Flotation …
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 …
Determination of bismuth in different samples. | Download …
Download Table | Determination of bismuth in different samples. from publication: Spectrophotometric determination of bismuth in water samples by dispersive liquid-liquid microextraction after ...
Determination of trace bismuth in human serum by cloud …
— 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
Flow‐Injection Analysis Spectrophotometric Determination of Bismuth …
— 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, …
Bismuth determination in environmental samples by …
— 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, …
The solvent extraction separation of bismuth and
— Yang et al. [3] proposed a process for the recovery of bismuth from a low-grade bismuth glance flotation concentrate by a solvent extraction method using a trialkyl amine extractant. Wang et al ...
Selective Ion Flotation Separation and Concentration of Ultra …
— 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 …
Study on Spectrophotometric Method for Determination of Bismuth …
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 …
Determination of sub-microgram amounts of bismuth in …
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 …
Determination of sub-microgram amounts of bismuth …
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