[alt-photo] Re: Gelatin

[Jacques Kevers]

Hi,
Thanks to all who shared info on this.
Much appreciated...
Jacques

2013/2/13 Jacques Kevers <jacqueskv at gmail.com>

> Hi,
> I'm considering the purchase of gelatin - photographic grade (250+ bloom)
> used for oil printing mainly.
> I got a quote for 2 quite similar types: physical and chemical ripening.
> The physical has a slightly higher bloom grade, the chemical ripening type
> contains significantly more calcium (4500mg/kg instead of 100).
> Any idea about the importance this could have when used with other
> processes?
> Thanks in advance, and best regards from Belgium
> Jacques - waiting for Christina's book :-)
>
>