A trial of extracting gold from stream sediment and High Au/Ag ore ...

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A trial of extracting gold from stream sediment and High Au/Ag ore ...

Flow chart of experiments

Samples

• Pulverized auriferous quartz vein

• Sieved stream sediments (particles

under 0.063mm in diameter

• HOS is composed of I 2

, NaI and

ethanol.

• Solutions after dissolution of sample

and addition of ascorbic acid were

analyzed by ICP-MS.

• Sample dissolved by 100cc of HOS

were carried out for 2 cycles, that by

10cc for 1 cycle.

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