Re: dichromated gelatin
Mon, 22 Aug 94 21:00:25 -3
>On Fri, 19 Aug 1994, Dan Shapiro wrote:
>> Thank you very much for posting those references. I have
>> been experimenting with alternate sources of colloids for
>> dichromate processes and have badly needed exactly this kind
>> of information. It tells me what direction to look in
>> selecting ingredients.
>> Do you have other references of this kind?
>> Dan Shapiro
>I don't think these articles will help you all that much with alternate
>sources of colloids. From your previous postings I assume you're
>interested in something like casein (from sour cream or cottage cheese)
>as an alternative to gelatin. It's been awhile since I read them, but I
>think there are some *practical* directions for casein in:
A dichromated casein process is described in _Gum Dichromate and Other
Direct Carbon Processes, from Artigue to Zimmerman_. There was a
commercially available paper in Germany, ca 1905. I found the French
patent and translated the info in the above described book, which is
available in many libraries.