RE: formula for platinum standard solution #3 ?
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- Subject: RE: formula for platinum standard solution #3 ?
- From: EJN Photo <ejnphoto@sbcglobal.net>
- Date: Sat, 11 Jul 2009 23:37:02 -0500
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Tom, When you are asking for a formula and then looking for a "standard" #
3, that suggest that you need to look at the seller of that product. There
is no standard #3 in my use of platinum chemistry.
There is no A and B ferric, nor is there an NA2.
What you want to do is make platinum solution using a different chemical
than the "standard" line is using. I was in fact told that telling people
that this alternative was bad for the industry.
I am sure you'll find the solution to your quest by looking at Mike Ware's
site. I don't have it in front of me now. You'll be making a .7M solution.
I'd be happy to post the formula, but I am away until the 20th.
Eric Neilsen Photo
4101 Commerce Street, Suite 9
Dallas, TX 75226
214 827-8301
http://ericneilsenphotography.com
SKype ejprinter
-----Original Message-----
From: Tom Hawkins [mailto:tomehawk@ix.netcom.com]
Sent: Saturday, July 11, 2009 8:52 PM
To: alt-photo-process-l@usask.ca
Subject: formula for platinum standard solution #3 ?
Listmembers,
Could someone provide the formula for platinum standard solution #3,
using ammonium tetrachloroplatinate?
Many thanks,
Tom
Tom Hawkins
tomehawk@ix.netcom.com
www.tomhawkinsphotographs.com