[Alt-photo] removing old casein from glass

Matti Koskinen mjkoskin at gmail.com
Sat Jul 22 19:32:46 UTC 2017


Many, many thanks to all. I'll try the tips. IPA sounds good, if the 
casein is too hard to remove, few sips to me, and a bit more to the 
alkali:-)

tnx

-m


On 21.07.2017 17:41, Niranjan Patel via Alt-photo-process-list wrote:
> Add some IPA to the alkali and you will get a nice gunk remover.
>
>        From: Christina Z. Anderson via Alt-photo-process-list <alt-photo-process-list at lists.altphotolist.org>
>   To: Alt List <alt-photo-process-list at lists.altphotolist.org>
>   Sent: Friday, July 21, 2017 8:23 AM
>   Subject: Re: [Alt-photo] removing old casein from glass
>     
> Also, Matti, try a soak first in an alkali like ammonia.
> Chris
>
>> On Jul 20, 2017, at 4:02 PM, Matti Koskinen via Alt-photo-process-list <alt-photo-process-list at lists.altphotolist.org> wrote:
>>
>>
>>> On 20 Jul 2017, at 23:42, Jorj Bauer <jorj at jorj.org> wrote:
>>>
>>> Barkeeper's friend, a sponge, lots of water and elbow grease. Works well
>>> for me.
>>>
>>> Are any of your casein prints on glass online anywhere? I love making
>>> prints on glass, and so few people make them…
>>>
>> hi Jorj, thanks for the info. I’ll try that.
>>
>> here’s a link to some casein on glass
>> http://www.mattikoskinenphoto.com/casein/index.html <http://www.mattikoskinenphoto.com/casein/index.html>
>>
>> -m
>>
>>> On Thu, Jul 20, 2017 at 11:14:59PM +0300, Matti Koskinen via Alt-photo-process-list wrote:
>>>> hi all,
>>>>
>>>> I found old casein prints on glass plates. As I'm always broke and
>>>> short of glass plates, I would like to re-use the plates. What are
>>>> best methods to remove the hardened casein?
>>>>
>>>>
>>>> and to Alt family tree:
>>>>
>>>> I tried my first gum print and cyano probably 1972 (I was 14-yrs
>>>> old), I had my grandpa's old book (printed 1921) "Young
>>>> Experimenters and Inventors book" by Ilmari Jäämaa and later
>>>> inspired by Jalo Porkkala's cyanos on the web. Then the public
>>>> library had Keepers of Light, and after that I was hooked. I've
>>>> tried cyanos with different methods, gum, casein and tempera. One
>>>> casein print I have sold, and several others donated (just to get
>>>> rid of them).
>>>>
>>>> -m
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Alt-photo-process-list | altphotolist.org
>> _______________________________________________
>> Alt-photo-process-list | altphotolist.org
> _______________________________________________
> Alt-photo-process-list | altphotolist.org
>
>
>     
> _______________________________________________
> Alt-photo-process-list | altphotolist.org



More information about the Alt-photo-process-list mailing list