Have questions? Feoedoius sales representatives are available for live chat now WELCOME TO Feoedoius MACHINERY!

nickel cobalt method

  • Simultaneous determination of iron, cobalt, nickel and ...

    A method for the simultaneous spectrophotometric determination of the divalent ions of iron, cobalt, nickel and copper based on the formation of their complexes with 1,5-bis(di-2-pyridylmethylene) thiocarbonohydrazide (DPTH) is proposed. The resolution of quaternary mixtures of these metallic ions was accomplished by several chemometric approaches.


  • Cobalt / Nickel Reagent Set, PAN Method, 10 mL | Hach USA ...

    For determination of Cobalt and Nickel by the PAN method. Hach Method 8078 (Co) and 8150 (Ni). Range: 0.01 - 2.00 mg/L Co, 0.006 - 1.000 mg/L Ni. Sample Size: 10 mL. Reagent set includes EDTA Reagent Powder Pillows, Phthalate-Phosphate Reagent Powder Pillows, and PAN Indicator Solution (0.3%) for approximately 100 tests.


  • Extraction method of nickel and cobalt from silicate ...

    The method of extraction of Nickel and cobalt from silicate Nickel-cobalt ores, including the construction of injection and odajnyk excavations on the site of the ore body, the flow in the injection formulation leach reagent containing the acid solution or the acid solution in the presence of a reducing agent, to obtain the production of ...


  • Method for processing of return converter slag of nickel ...

    FIELD: nickel and cobalt metallurgy, in particular, processing of return converter slag of nickel-cobalt production. SUBSTANCE: method involves providing mixed charging into shaft furnace of burden containing agglomerate, coke, mixture of lime with pyrites, return converter slag; smelting for producing of nickel material and waste slag; introducing return converter slag into burden in the form ...


  • Assaying Nickel Determination Methods

    Nickel and cobalt are closely related in their chemical properties, and may best be considered together. Nickel is the commoner of the two, and is met with in commerce alloyed with copper and zinc as German silver; as also in the coinage of the United States and on the Continent.


  • Simultaneous Determination of Cobalt(II) and Nickel(II) by ...

    Jul 05, 2007· A simple and new simultaneous fourth derivative spectrophotometric method is proposed for the analysis of a two-component system containing cobalt(II) and nickel(II) without separation using 2-hydroxy-3-methoxy benzaldehyde thiosemicarbazone (HMBATSC) as a …


  • Nickel-cobalt separation by solvent extraction method

    Nickel-cobalt separation by solvent extraction method Dichloromethane (from Fluka) was of analytical grade and was used without further purification. Alkylimidazoles 1 and 2 (Fig.1) were synthesized as described [24]. The pH-meter was calibrated using commercial buffer solutions (Radiometer) of pH 4.01±0.01 and 7.00±0.01.


  • Synthesis of High-Density Nickel Cobalt Aluminum Hydroxide ...

    Jan 10, 2012· Spherical nickel cobalt aluminum hydroxide (Ni0.80Co0.15Al0.05-hydroxide, NCA) was prepared by a continuous coprecipitation method. A new design of the Al solution and the feeding method was applied, which enabled to prevent rapid precipitation of Al(OH)3 and to obtain spherical NCA with large enough particle size and high density. The active material (LiNi0.80Co0.15Al0.05O2 or …


  • NICKEL-COBALT-MANGANESE COMPOSITE HYDROXIDE AND METHOD …

    Jan 22, 2015· The present invention provides nickel-cobalt-manganese composite hydroxide and a method for manufacturing same, the nickel-cobalt-manganese composite hydroxide as a precursor allowing a positive electrode active material having excellent battery characteristics and a high-density to be manufactured.


  • A New Process for Cobalt Nickel Separation

    a) Nickel/cobalt precipitation as mixed hydroxides, followed by releach in acidic or ammoniacal solution. This route used very successfully on the Cawse and Ravensthorpe/YEP projects for instance. b) Nickel/cobalt precipitation as mixed sulphides, then releach in an …


  • Ion-Exchange Separation and Spectrophotometric ...

    Ion-Exchange Separation and Spectrophotometric Determination of Nickel and Cobalt The ion-exchange method of separation is discussed in sections 16-1 and 16-2 of Quantiative Chemical Analysis 6th ed. D.C. Harris (and see attached). The present experiment illustrates this method by the separation of nickel and cobalt with a strong-base anion ...


  • Research in lithium-ion batteries - Wikipedia

    In 2000, researchers from the Université de Picardie Jules Verne examined the use of nano-sized transition-metal oxides as conversion anode materials. The metals used were cobalt, nickel, copper, and iron, which proved to have capacities of 700 mA h/g and maintain full capacity for 100 cycles.


  • Arsenic, Cadmium, Cobalt, Copper, Lead, and Nickel …

    Nickel causes allergic dermatitis. Suspicion of nickel carcinogenicity has focused primarily on respirable particles of nickel subsulfide and nickel oxide. 3 1.1.3 Workplace exposure 4 Arsenic is a common by-product in ores containing copper, lead, cobalt, and gold. The smelting and refining of these ores can produce arsenic fumes.


  • CN103199320B - Method for recycling nickel-cobalt ...

    The present invention relates to a method of cathode material nickel cobalt manganese three yuan recycled, recycling of used batteries belonging to the art. The technical problem solved by the invention is to provide a method of nickel cobalt manganese three yuan cathode material recycling. Includes a heat treatment step of removing the binder from the lithium nickel cobalt manganese ternary ...


  • Determination of nickel, manganese, cobalt, and iron in ...

    Determination of Nickel, Manganese, Cobalt, and Iron in High-Temperature Alloys, Using Anion-Exchange Separations John L. Hague, Edwin E. Maczkowske, and Harry A. Bright A procedure is given for the determination of nickel, manganese, cobalt, and iron in a high-temperature alloy.


  • Determination of Cobalt by Titration with EDTA

    Determination of Cobalt by Titration with EDTA I. Introduction The quantitative determination of many metal ions in solution can be achieved by titrating with a standard solution of a Lewis base (ligand). A necessary requirement is that the ligand combines (complexes) quantitatively with a particular metal ion under the solution conditions.


  • Solvent Extraction of Cobalt SX

    Jul 05, 2007· A simple and new simultaneous fourth derivative spectrophotometric method is proposed for the analysis of a two-component system containing cobalt(II) and nickel(II) without separation using 2-hydroxy-3-methoxy benzaldehyde thiosemicarbazone (HMBATSC) as a chromophoric reagent.


  • Standard Test Methods for Chemical Analysis of Nickel ...

    E1473-16 Standard Test Methods for Chemical Analysis of Nickel, Cobalt and High-Temperature Alloys cobalt-base alloys~ ... Nickel, and Cobalt Alloys. E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory. E1019 Test Methods for Determination of Carbon, Sulfur, ...


  • A spectrophotometric method for simultaneous determination ...

    The correlation coefficient (R 2) is 0.9958 for copper, 0.9976 for cobalt and 0.9915 for nickel. The obtained results display that the proposed method is suitable for real-time detection and control of trace ions of copper, cobalt and nickel in the zinc sulfate solution. Download : Download high-res image (153KB) Download : Download full-size image


  • (PDF) MWCNTs and carbon onions grown by CVD method on ...

    MWCNTs and carbon onions grown by CVD method on nickel-cobalt alloy nanocomposites prepared via novel alcogel electrolysis technique and its oxygen evolution reaction application.


  • Cobalt extraction - Wikipedia

    Cobalt extraction refers to the techniques used to extract cobalt from its ores and other compound ores. Several methods exist for the separation of cobalt from copper and nickel.They depend on the concentration of cobalt and the exact composition of the used ore


  • Nickel / cobalt mining extraction procedures | Industrial ...

    Sep 06, 2019· Cobalt and nickel are two elements that are well positioned in new technologies, especially those with an energy link. Cobalt is part of the steel superalloys that work at high temperature with a high yield strength: e.g. magnets (e.g. Alnico, Fernico and Cunico), enamels, coatings, electrodes, batteries and structured cabling for tyres.


  • Why the world is demanding more cobalt, and why new ...

    Sep 29, 2017· Traditional separation methods for cobalt and nickel are based on the selective oxidation and/or precipitation of cobalt, from either sulfate or chloride solution. Another common method is solvent extraction by alkylammines. Because of their similarities, the process used to recover nickel, or recover cobalt, are very similar.


  • Spectrophotometric determination of nickel (II) in waters ...

    A simple and rapid method using two imine ligands,(E)-N 1-(2-hydroxy-5-nitrobenzylidene) isonicotinoylhydrazone and 2-(4-fluoro benzylideneamino) benzenethiol for the analysis of nickel(II) is proposed.The ligands react with nickel(II) at pH 4.0 and 4.7 to form red and pale purple complexes respectively with a stoichiometric ratio's of 1:1.


  • CDC - Cobalt - NIOSH Workplace Safety and Health Topic

    Related NIOSH Resources. NIOSHTIC-2 search results on cobalt—NIOSHTIC-2 is a searchable database of worker safety and health publications, documents, grant reports, and journal articles supported in whole or in part by NIOSH.; Immediately Dangerous to Life or Health (IDLH) Values of Cobalt Metal Dust and Flame—NIOSH reviews relevant scientific data and researches methods for …


  • CN101609049A - Method for testing nickel and cobalt ...

    The invention relates to a method for testing nickel and cobalt contents in a nickel compound by a titration, which comprises the following steps of: 1) dissolving the nickel compound to obtain nickel solution; 2) taking the partial nickel solution obtained in step 1), and carrying out complexometric titration on the nickel solution to test the nickel and cobalt metal total content; 3) taking ...


  • ASTM E1473-09 - Standard Test Methods for Chemical ...

    ASTM E1473-09 Standard Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys. 1.1 These test methods describe the chemical analysis of nickel, cobalt, and high-temperature alloys having chemical compositions within the following limits:


  • What is the best method for separating nickel and cobalt?

    Cobalt and nickel both have the same density, so it seems gravity separation which works based on the difference between density of materials is not a proper method. Also, these two elements are ...


  • METHOD FOR PRODUCING HIGH-PURITY NICKEL SULFATE - …

    Mar 19, 2015· The method of producing high-purity nickel sulfate of claim 2, wherein the nickel-containing solution is a nickel sulfate solution obtained by leaching a nickel oxide ore with sulfuric acid, separating impurities other than a target component to obtain a residue, and adding a sulfurizing agent to the residue to form a nickel sulfide, and then ...


  • Enhanced methods for nickel recovery from low-grade ores ...

    Sep 06, 2017· Nickel and cobalt are converted to soluble sulfate salts, and are recovered from the slurry in a counter-current decantation circuit (CCD). CCD involves washing the residue and recovering soluble nickel and cobalt. The remaining acid is neutralized using a limestone slurry, which produces a gypsum precipitate.