Réaction #459810

ord-af3fc463b6df4498b7cc3c5d9a9db7ac

Équation de réaction

[Au]
gold
O=S([O-])[O-].O=S([O-])[O-].[Au+3].[Na+]
sodium gold sulfite
O=S([O-])[O-].[Na+].[Na+]
sodium sulfite
[As]
arsenic
→
O=S([O-])[O-].O=S([O-])[O-].O=S([O-])[O-].[Au+3].[Au+3]
Gold Sulfite

Réactifs

[Au]
gold
O=S([O-])[O-].O=S([O-])[O-].[Au+3].[Na+]
sodium gold sulfite
O=S([O-])[O-].[Na+].[Na+]
sodium sulfite
[As]
arsenic

Réactifs

[Cd]
cadmium

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    AutreA typical sulfite electroplating bath is

Mode opératoire

A typical sulfite electroplating bath is an aqueous solution including sodium gold sulfite, about 5 to 10 troy ounces per gallon (41.1 to 82.2 grams per liter) of sodium sulfite, and brighteners such as arsenic or cadmium metal in amounts up to about 500 ppm. The aqueous solution usually has a pH of 8 to 12 and contains between one-quarter to 3 troy ounces per gallon (2.1 to 24.7 grams per liter) of gold.

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US04092154uspto-grants-1978_05