RE: making gold chloride

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From: Monnoyer Philippe (monnoyer@imec.be)
Date: 10/16/02-06:30:11 AM Z

Note that gold is quite slow to dissolve in aqua regia. You will have to help it by a gentle warming. For dissolving platinum, it's even worse. Boiling aqua regia is barely sufficient.

Philippe

|-----Original Message-----
|From: Finn Ugor [mailto:finnugor729@hotmail.com]
|Sent: Wednesday, October 16, 2002 13:19
|To: alt-photo-process-l@usask.ca
|Subject: making gold chloride
|
|
|
|
|Hi,
|
|
|Does anyone of you know a procedure to make gold
|(III)-chloride from pure
|gold? I know, that gold has to be dissolved in aqua regia. But
|how should I
|get solid gold chloride out of the aqua regia? Any ideas are welcome.
|
|Thanks
|
|Istvan
|
|
|
|
|
|
|Hi,
|
|
|Does anyone of you know a procedure to make gold
|(III)-chloride from pure
|gold? I know, that gold has to be dissolved in aqua regia. But
|how should I
|get solid goldchloride out of the aqua regia? Any ideas are welcome.
|
|Thanks
|
|Istvan
|
|
|
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