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www.chm.bris.ac.uk/webprojects2004/hooper/extraction.htm

EXTRACTION OF MERCURY. Most of the world's mercury is obtained from its main ore, cinnabar or vermillion with the chemical structure mercury sulphide ...

notes.tyrocity.com/extraction-of-mercury-from-cinnabar

Cinnabar being sulphide is is concentrate by froth floatation method. ... Ore forms froth with oil and come to the surface and are skimmed off while impurities are left in water. ... Mercury obtained by above process is not pure and contains impurities like copper (Cu), ... It is used in extraction of gold by amalgumation process.

www.pbs.org/weta/roughscience/series3/treasure/extract.html

We're after pure gold, but rock that contains gold also includes lots of other ... We used mercury to actually extract the gold from the powdered rock. ... Using mercury is a pretty straightforward way of separating the two materials, since the ... Good cinnabar ore has such high concentrations of mercury sulfide that you can ...

www.open.edu/openlearn/science-maths-technology/science/geology/extracting-gold-rock

Feb 27, 2007 ... We want pure gold, but gold-bearing rocks include lots of other materials such ... We used mercury to get the gold out of the powdered rock. ... This is a comparatively straightforward way of separating the gold from the rock, ... In some cinnabar ores, where the mercury sulfide concentration is high, you can ...

www.worstpolluted.org/projects_reports/display/89

A common method for separating mercury from cinnabar is to crush the ore ... Mercury is also extensively used in the gold mining process as an amalgam for ...

.ask.com/youtube?q=What+Is+The+Seperation+Method+Used+To+Seperate+Pure+Mercury+From+Cinnabar+Ore&v=s-WO97CZKns
Nov 17, 2010 ... Gold extraction with BORAX for small-scale miners - Rather Rich & Healthy than Poor & Poisoned - Duration: 9:49. geusTUBE 559,156 views.

www.911metallurgist.com/blog/gold-purification-methods

Mar 23, 2016 ... 2.1 Purifying Mercury; 2.2 Purifying Amalgam; 2.3 Refining Retorted Gold ... or amalgamating the gold, and thereby separating it from the admixed ... The first condition for obtaining pure bullion by amalgamation is to use pure mercury. ... of the metals amalgamating with the mercury, the cinnabar itself being ...

www.biblicaltraining.org/library/metals-and-metallurgy

4000 b.c. The use of lead, tin, mercury and zinc was dependent upon ... Washing also was used to separate gold mined from veins, after the ore had been ... An early method of refining was heating the gold with lead, salt and barley bran ... The separation of base metals, such as copper and tin, also was carried out from a ...

www.blm.gov/style/medialib/blm/ak/jrmic/usbm_rpts.Par.57282.File.tmp/RI_5243.pdf

... OF MERCURY. AND ANTIMONY FROM CINNABAR-STIBNITE ORE ..... wasted by the standard furnacing methods now used. CONCENTRATION ... method of separating the two minerals into a furnaceable mercury concentrate and a marketable ..... Stibnite is soluble in alkali sulfides or hydroxides, and a pure antimony ...

www.toppr.com/jee-main/learn/chemistry/metallurgy/concepts

Examples are cinnabar (HgS), an ore of mercury, sphalerite (ZnS), an ore of zinc, .... and a thin sheet of pure metal is made the cathode of an electrolytic cell containing .... This method is used for the separation of ores which are good conductor of ... same charge, hence they are thrown away and we can separate them out.