chemical and physical separation methods used to refine platinum

separating the platinum group metals by liquid-liquid extraction

matthey rustenburg refiners to embark on a research and development programme during the i s to examine potential alternative refining technology several metals and is widely used the separation process chemistry considered here is therefore based on this system the normal platinum group metals species

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chemical and physical separation method used to

oct 24 more details chemical and physical separation method used to refine the mineral 1 separation can be accomplis

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how is platinum extracted from its ore - slideshare

sep 19 froth flotation is a method of separating materials on the basis of their physical properties for instance affinity for water or density be burned off leaving pure platinum metal the overall process involves several inter-related and complex processes which employ both physical and chemical techniques

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chemical and physical separation methods used to refine the mineral

you are here home grade 11 physical sciences the lithosphere mining and mineral processing we will take a brief look at exploration extraction and refining this was the earliest method used to extract the mineral from the ore solution is added so that the gold particles are chemically separated from the ore

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natural sciences grade 9 - mstworkbooks co za

what processes are used to get the rock out of the ground? what processes are used to reduce the size of the rocks? how is the mineral removed from the ore? how is the mineral separated from its compound? how is the mineral refined? where in south africa is this mineral mined? what has the impact of this mining

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platinum group chemical element group britannica com

platinum group six metals in order of increasing atomic weight ruthenium ru rhodium rh palladium pd osmium os iridium ir and platinum pt the elements all possess a silvery white colourexcept osmium which is bluish white the chemical behaviour of these metals is paradoxical in that they are highly

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chemical risks in mining industry - prevor

in many instances various chemicals and reagents are used in the separation process and often cause consequently irritant or corrosive dermal exposures is specifically processed to further extract and/or refine the metal thus preparing it for its final use or for incorporation into physical or chemical manufacturing

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technical aspects of platinum refining - platinum guild international

refining procedures the methods for recovering tine gold t'rom process scraps and discarded jew- elry articles have been known and practiced for centuries platinum has unique characteristics and in- herent chemical properties that make it more difficult to recover than gold technical aspects of platinum re- fining are

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how to refine gold - gold traders

how to refine gold the processes used to refine gold are many centuries old the two most common methods of refining gold are refining with flame and the use of chemicals there are actually a few different methods of refining gold depending upon the quantity of gold you are working with and the desired level of purity

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about platinum - gold and silver mines

after the war the expansion of molecular conversion techniques in the refining of petroleum created a great demand for the catalytic properties of the platinum metals this demand irrespective of the chemical separation processes used the platinum metals are recovered in a finely divided metallic powder form they can

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