Buscar
Mostrando ítems 1-10 de 15150
Bela Gold
(Universidad Autónoma Metropolitana (México). Unidad Azcapotzalco., 1993)
Selección de la obra de Bela Gold, acompañada de ensayos críticos.
Gold-bearing iron duricrust in Central Brazil
(1991-11-01)
In the Cuiabá region-State of Mato Grosso, Central Brazil-primary gold mineralization is hosted by two generations of quartz veins in Precambrian metamorphic terrains of the Cuiabá Group. Gold is mined from the veins and ...
Gold Provenance in placers from Pureo area, southern Chile coastal cordillera, and their relationship with paleozoic metamorphic rocks
(MDPI, 2022)
Southern Chile placer gold deposits have been known and exploited since Spanish colonial times. Despite this, precise knowledge about their origin is scarce. This work aims to identify possible primary sources of the gold ...
Gold-bearing iron duricrust in Central Brazil
(1991-11-01)
In the Cuiabá region-State of Mato Grosso, Central Brazil-primary gold mineralization is hosted by two generations of quartz veins in Precambrian metamorphic terrains of the Cuiabá Group. Gold is mined from the veins and ...
Gold decoration of silica by decomposition of aqueous gold(iii) hydroxide at low temperatures
(Royal Society of Chemistry, 2018-05)
The decomposition of gold hydroxide to give metallic gold is known to take place around 300 °C in dry environments. However, little information about the gold hydroxide stability in wet environments has been recorded. Here, ...
Disposable gold electrode array for simultaneous electrochemical studies
(Wiley VCH Verlag, 2008-01)
An efficient and inexpensive eight gold electrode array has been manufactured by a combination of screen printing and gold electrodeposition techniques. Gold electrodeposition was performed in potentiostatic and galvanostatic ...
A novel environmentally friendly method in solid phase for in situ synthesis of chitosan-gold bionanocomposites with catalytic applications
(Elsevier Ltd, 2019)
A novel method to obtain catalytic bio-nanocomposites based on chitosan containing different amounts of gold nanoparticles generated in situ is reported. The formation of gold nanoparticles takes place in solid phase ...
Designing the SART process – A review
(Elsevier B.V., 2018)
© 2018 Elsevier B.V. Almost twenty years ago, the first paper about the SART process was published, and eleven years ago the first SART plant was commissioned and operated at Telfer mine, in Australia. Up to this moment, ...