[pure-silver] Re: Request For Chemist: Bleach - Alcohol Interaction?
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Thu, 10 May 2012 13:33:05 -0700
----- Original Message -----
From: "Tim Daneliuk" <tundra@xxxxxxxxxxxxxx>
To: "Pure-Silver Mailing List" <pure-silver@xxxxxxxxxxxxx>
Sent: Thursday, May 10, 2012 11:22 AM
Subject: [pure-silver] Request For Chemist: Bleach - Alcohol
Interaction?
I've followed the thread about PhotoFlo with some interest
over the past several days. Though I've never had any PF
residue, I realized I probably was not using enough of it
and
have seen some water spotting now and again. So.. I
decided
to try it myself last night:
2.5ml Photo Flo 200
1/2 oz Isopropyl Alcohol 91%
500ml Distilled water
And it worked fine.
I use it at about double this dilution, that is about an
ounce of alcohol and about 2.5ml of Photo-Flo 200 to a liter
of water. I suspect the amounts are not at all critical. I
have not had any problems with residue or water spotting
since using the mixture. I do not squeegee film, I just
hang it up to dry.
70% rubbing alcohol works fine just avoid the kind with
Oil of Wintergreen in it. Its usually colored green and well
labeled. I don't think the 91% stuff ever has anything else
in it.
--
Richard Knoppow
Los Angeles
WB6KBL
dickburk@xxxxxxxxxxxxx
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