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Refining - (fr. Affinage, from affiner - cleaned), obtaining precious metals of high purity.


I. Silver

Dry methods of refining silver

Cupellation method.

Method soda

Wet methods of refining silver

Chemical methods of extracting silver from the laboratory and the technical residues. 3 ways.

Chemical methods of extracting silver from spent fixing solutions. 4 ways.

Electrolytic method of refining silver

II. Gold

Dry methods of refining gold

Refining saltpetre

Refining using chlorine method Miller

Wet methods of refining gold

Chemical methods of refining gold from residues of laboratory and technical

Method kratovaniya.

A method of refining of gold chloride, gold recovery of ferrous sulfate.

The deposition of gold by hydrazine.

Recycling gold grinding powders.

Recovery of gold from residues of photographic.

Waste products from ferrous metals and alloys, coated with gold.

Electrolytic refining

III. Palladium

Methods of obtaining pure metallic palladium

Methods of refining the technical residues

Palladium sponge.

Preparation of colloidal palladium

Preparation of palladium black

IV. Platinum

Methods of refining platinum

A method of refining aqua regia

Refining platinum laboratory balances

Platinum black from unsaturated solutions

Methods of carburizing solutions

V. Iridium

Clean the metal iridium

VI. Osmium

Clean the metal osmium

VII. Rhodium

Net metal rhodium

VIII. Ruthenium

Clean the metal ruthenium

Conclusion (Algorithms chemical processes for the separation of any alloy in its noble individual components)

The format of the book:

Executable EXE-files (WebExe). Compatible c Windows 9x, Me, NT, XP, Vista, 7.

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