الأحد، 20 يناير 2013

Default methods of extracting gold


Methods of extracting gold
 

1 - way mercury
Dependent on the dissolution of gold in mercury Atschrj samples Almicaruascopah

2 - way regia
It is a combination of hydrochloric acid (HCl) and nitric acid (HNO3) ratio of 1:3 respectively
A dangerous escalation of toxic gases

3 - knock flotation
Everything Maarafh her ​​she used three chemical agents

4 - How to lead
Dangerous due to high cost of gas Lead Oxide

5 - way cyanide
Finest roads in terms of cost and rate of extraction and materials can be reused
The center should be alkaline and oxygen is pumped into the solution
4Au + 8NaCN + O2 + 2H2O → 4NaAu (CN) 2 + 4NaOH
Note cyanide is highly toxic

(I tried to Price Gold  this way But not the most successful u may be the reason I have not done pumping oxygen)

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