Gold Chloride

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We Sell Gold Chloride (AuCl3) 1% and 5% Solutions (Metals Basis) – 99.99% purity

Gold Chloride Chemical Information

Synonyms: Hydrogen Tetrachloro Aurate(III), Chloroauric Acid, Gold Acid Chloride
CAS: (for Gold Chloride Solution) 16903-35-8
CAS: (for HAuCl4•3H2O) 16961-25-4
Formula Weight: 339.766 (1.000% Gold metal by weight) (for HAuCl4) in 100ml Solution
Chemical Formula: Common: AuCl3 (1.534%) in water solution
Chemical Formula: Technical: HAuCl4.nH2O
Dry Gold Chloride Powder Max. Solubility: 68g/100ml (cold) -or- 680g/Liter (cold)

 

Our Gold Chloride is new and freshly prepared.
NOTE: Our Gold Chloride is more concentrated than other Gold Chloride solutions,
Our 1% is based on 1 gram Gold Metal per 100 ml water.
Our 5% is based on 5 grams Gold Metal per 100 ml water.
100 ml of our 1% Gold Chloride Solution weighs exactly 101.6 grams
200 ml of our 1% Gold Chloride Solution weighs exactly 203.2 grams
100 ml of our 5% Gold Chloride Solution weighs exactly 105.8 grams

 

Why use Gold Chloride in solution?
Gold Chloride is much easier to handle and measure when in solution.
The powder form rapidly absorbs moisture from the air, and becomes very sticky.
The red, gooey, Gold Chloride powder sticks to everything it touches — Glass, Ceramic, etc.

See Also: Gold Chloride Certificate of Conformance (pdf)

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Gold Chloride Uses

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To easily and cheaply make Colloidal Gold solutions. – Click here for recipe.
In Photography, as a print toning agent. (Gold Toning)
Used as a starting solution to form other gold compounds.
A precursor to the preparation of Ultra Pure Gold Metal.
Electroplating – both electroless and as an anode in an electric cell.
Cell body stains for brightfield and darkfield microscopy.

 

 

Ships inside USA only. Priority Mail.
Fixed shipping cost is $5.00
This item is not hazardous to ship.

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Gold Chloride 50ml of 1% solution contains exactly 0.500 grams of pure Gold Metal.
Contains 0.500 grams of 99.99% pure gold ions in De-Ionized water.
Contains 0.762 grams Gold Chloride. (AuCl3)

Gold Chloride 100ml of 1% solution contains exactly 1.00 grams of pure Gold Metal.
Contains 1.000 grams of 99.99% pure gold ions in De-Ionized water.
Contains 1.524 grams Gold Chloride. (AuCl3)

Gold Chloride 100ml of 5% solution contains exactly 5.00 grams of pure Gold Metal.
Contains 5.000 grams of 99.99% pure gold ions in De-Ionized water.
Contains 7.620 grams Gold Chloride. (AuCl3)