Re: chemistry question

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From: Joe (jportale@gci-net.com)
Date: 05/10/00-08:09:57 PM Z

Jeffrey,

This was a totally hypothetical question. as I stated I have no intention to
play around with aqua regia. I was just wondering what the end product
would be. I purchase all my metal salts from various sources. I am not
equipped to mess around with this stuff.

Joe

----- Original Message -----
From: Jeffrey D. Mathias <jeffrey.d.mathias@worldnet.att.net>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Wednesday, May 10, 2000 1:43 PM
Subject: Re: chemistry question

> > Joe wrote:
> > ... what is the actual yield from the reduction of platinum
> > and palladium? ... After
> > reduction in aqua regia, how many grams of palladium chloride well be
> > had from one gram of palladium metal?
>
> This is not the answer to your question, but rather a sound
> alternative. I have found it much easier to purchase the K2PtCl4 and
> PdCl2 directly from a manufacturer such as Engelhard Corporation.
>
> Making K2PtCl4 can be tricky and result in an unwanted
> byproduct/contaminant of K2PtCl6.
>
> PdCl2 is purchased and mix with an appropriate alkaline salt when
> needed. One reason is that the double salts are very hydrophilic
> (absorbing moisture) making storage and weighing difficult.
>
> --
> Jeffrey D. Mathias
> http://home.att.net/~jeffrey.d.mathias/

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