[Alt-photo] Sulfamic Acid & Aches HP for Cyanotype
sbilici at gmail.com
Sat May 6 21:25:55 UTC 2017
Well I think the color comes from the gloves.
Green latex gloves gave off some color to the sulfamic acid solution.
Black nitril gloves gave off blue-purple color when using some solvent
based pvc adhesive.
On Sat, May 6, 2017 at 11:34 PM, David Christensen via
Alt-photo-process-list <alt-photo-process-list at lists.altphotolist.org>
> Hi, Serdar.
> No - I used some neoprene gloves from Lee Valley:
> On 2017-05-06 2:03 PM, Serdar Bilici wrote:
>> Hi David,
>> Did you use any disposable or reusable gloves? Nitril or latex? They
>> might be the source of color.
>> On Sat, May 6, 2017 at 10:58 PM, David Christensen via
>> Alt-photo-process-list <alt-photo-process-list at lists.altphotolist.org
>> <mailto:alt-photo-process-list at lists.altphotolist.org>> wrote:
>> I'm starting to experiment with Mike Ware's cyanotype process. To
>> clear Arches HP, I've followed the directions of other on the list
>> and have used sulfamic acid. I mixed up 2L solution and put
>> through 12 Arches papers. At the end of it, the solution was a
>> light blue. Does this indicate anything? I've read that a 3L
>> solution will clear about 40 8x10 papers - just wondering if the
>> light blue indicates exhaustion or something along those lines?
>> Thanks, by the way, for a most informative mailing list - this is
>> my first post - I've learned a lot from it.
>> Alt-photo-process-list | altphotolist.org <http://altphotolist.org>
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