[alt-photo] Re: Casein source
alt.list at albertonovo.it
Tue Apr 12 14:33:36 GMT 2011
> ... I was able to get samples of sodium and ammonium which I mixed with no added alkali. I wanted to compare apples to apples in the mixing. Ammonium does get thinner after a few days and I am waiting to see if sodium does, too.
The alkalies break the bonds among carboxylic and amino group of the casein,
which is a protein. The stronger the alkaly, the faster should be this
When I prepared my mix from casein and ammonia, I found that it would last
about a week in a tightly sealed jar in my refrigerator. However, as I have
already told, such a mix can be ready for use in less about half an hour.
More information about the Alt-photo-process-list