Cementation of gold by magnesium in cyanide solutions

Кuntyi, О. І.; Zozulya, Galyna; Kurilets, O. G.

doi:10.3103/s1067821207060077

Cited by 7 publications

(3 citation statements)

References 2 publications

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“…Then it was washed by distilled water, isopropanol and dried at 333 K. The magnesium powder (particles average sizes are 0.42x0.15x0.04 mm) was treated with 1 % isopropanol solution of the acetate acid, washed by isopropanol and dimethylformamide and put into the working solution. Palladium cementation was carried out in the thermostated glass vessel with the solution volume of 50 cm 3 under hydrodynamic regime: using a rotational cylinder (1000 rpm) -according to the procedure described in [12] and the magnesium powder (stirrer rate of 500 rpm) -according to [13]. After the process the samples were washed in the organic solvent, isopropanol and dried at 333 K.…”

Section: Methodsmentioning

confidence: 99%

Palladium Deposition on Magnesium in PdCl2 Solutions in DMF

Кuntyi¹,

Dobrovetska²,

Korniy³

et al. 2014

ChChT

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Palladium deposition on rotational magnesium disk and magnesium powder via cementation has been investigated in 0.01 M PdCl 2 solutions in dimethylformamide. The reduction process started from 323-333 K without the induction period. Spheroidal microparticles of palladium and its agglomerates were found to be formed on the magnesium disk surface. Particles in the form of needles and plates by the width of 80-120 nm were formed on the surface of magnesium powder. The deposited particles are characterized by high adhesion to the substrate surface.

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Section: Methodsmentioning

confidence: 99%

Palladium Deposition on Magnesium in PdCl2 Solutions in DMF

Кuntyi¹,

Dobrovetska²,

Korniy³

et al. 2014

ChChT

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“…Hence, it is important to determine the metal morphology for the prediction of cementation with reference to process rate and completeness of metal recovery [7][8][9]. This work deals with the morphology of reduced zinc deposit over magnesium surface and continues systematic studies on metal cementation by magnesium from aqueous solutions [3][4][5][6].…”

Section: Morphology Of Zinc Deposited Via Cementation Over Magnesium mentioning

confidence: 99%

“…Previously we have shown effective cementation by magnesium taking as an example recovery of nonferrous [3,4] and precious [5,6]…”

Section: Introductionmentioning

confidence: 99%

Morphology of Zinc Deposited via Cementation over Magnesium Rotary Disc in ZnCl2+NH4Cl Aqueous Solutions

Кuntyi¹,

Zozulya²

2010

ChChT

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Zinc cementation by magnesium from ZnCl2+NH4Cl aqueous solutions has been investigated. The amount of magnesium has been established as 0.8–2.0 g per 1 g of conditioned zinc to obtain recovery degree 99 %. At low concentrations of Zn2+ ions (0.025–0.1 M ZnCl2) dispersed deposit is formed with nanoparticles of reduced metal; at high concentrations (0.25–0.5 M) coarse-crystalline and fern-shaped deposit is formed.

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Kinetics and deposit morphology of gold cemented on magnesium, aluminum, zinc, iron and copper from ammonium thiosulfate–ammonia solutions

Karavasteva

2010

Hydrometallurgy

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Cementation of gold by magnesium in cyanide solutions

Cited by 7 publications

References 2 publications

Palladium Deposition on Magnesium in PdCl2 Solutions in DMF

Palladium Deposition on Magnesium in PdCl2 Solutions in DMF

Morphology of Zinc Deposited via Cementation over Magnesium Rotary Disc in ZnCl2+NH4Cl Aqueous Solutions

Kinetics and deposit morphology of gold cemented on magnesium, aluminum, zinc, iron and copper from ammonium thiosulfate–ammonia solutions

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