[Alt-photo] cyanotype toning question
dennis.moser at gmail.com
Mon Nov 5 07:36:43 UTC 2018
A quick search this morning turned up the following:
>From US distributors, two sources for dry "wine tannin" (which is what mine
was marketed as, but further labelled as "gallo-tannic acid"):
>From EU distributors:
Hope that helps. Another case of how many different names does this stuff
we use have?!
If your first move is brilliant, you’re in trouble. You don’t really know
how to follow it; you’re frightened of ruining it. So, to make a mess is a
good beginning. — Brian Eno
On Sun, Nov 4, 2018 at 10:36 PM John Isner <john.isner at gmail.com> wrote:
> I finally got around to looking for crystlline gallo-tannic acid. My
> local home brew store never heard of it. They have tannic acid, but
> nothing on the label indicates that it is anything different from plain
> tannic acid. An online search was equally futile. Is gallo-tannic acid
> sold under a particular brand name?
> On Wed, Oct 24, 2018 at 2:58 AM Dennis Moser <dennis.moser at gmail.com>
>> Also, consider your source of tannic acid — crystalline gallo-tannic acid
>> (available from home brew stores) does not stain the papers I've used in
>> the past.
>> Dennis Moser
>> If your first move is brilliant, you’re in trouble. You don’t really know
>> how to follow it; you’re frightened of ruining it. So, to make a mess is a
>> good beginning. — Brian Eno
>> On Tue, Oct 23, 2018 at 6:53 PM John Isner via Alt-photo-process-list <
>> alt-photo-process-list at lists.altphotolist.org> wrote:
>>> Is there a toning for cyanotype (specifically, new cyanotype) that only
>>> minimally stains the paper? Tannic acid turns the whites to ivory. I
>>> an application that needs to retain as much paper white as possible.
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