[pure-silver] Re: HCA (was dichroic fog)
- From: "Ryuji Suzuki" <rs@xxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Wed, 05 Apr 2006 16:42:56 -0400
On Wed, 5 Apr 2006 08:22:25 -0700 (PDT), "titrisol" <titrisol@xxxxxxxxx>
said:
> I thought the sulfite in HCA also helped preventing some
> decomposition of thiosulfate into sulfur+sulfite
I think you are talking about the role of sulfite as the preservative in
fixer solution.
It's not the same in washing aid.
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