Achtzehnmorgenweg 3
D-61250 Usingen
Fon: +49 - 6081 - 10 60 - 0
Fax: +49 - 6081 - 10 60 - 60
eMail: info@metakem.de
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Gold compounds
| Formula | Designation | Form (wt / %) | Usage |
| HAuCl4 | Tetrachloroauric acid | Solution up to 40 % Au | Pre-product for Au chemicals. |
| HAuCl4 x H2O | Crystals up to 52 % Au Salts with ammonium, sodium and potassium | ||
| (NH4)3Au(SO3)2 | Ammoniumgold(I)sulphite | Solution with 100 or 200 g Au / l | Electroforming
hollow jewellery, dentistry, micro-structures.
Plating of spectacles and
watches. Non cyanidic = non-poisonous. |
| K3Au(SO3)2 | Potassiumgold(I)sulphite | Solution | Same as above. |
| Na3Au(SO3)2 | Sodiumgold(I)sulphite | Solution [Note : Ammonium, sodium and potassium goldsulphites are free of chlorine very stable – no gold-reduction due to UV light!] | Same as above. |
| KAu(CN)4 | Potassiumtetracyanoaurate(III) nickel. | Salt with 57.9% Au | Direct electro-gilding of stainless steel and |
Semifinished products
(with 14, 18, 22 and 24 ct Au)
Wires, foils, strips, platesand tubes. Please ask if other shapes
desired.
