[alt-photo] Re: Coating Silver Chloride Paper - Similar to AZO?

etienne garbaux photographeur at nerdshack.com
Fri Mar 16 14:34:06 GMT 2012

Ian wrote:

>some claim that very precise temperature control (0.1 C) is necessary,
>factory-scale operations do not typically operate with such accuracy -
>timing, concentration and flow rate of additions are the keys to

Commercial operations test the emulsion at several stages of the 
process, and adjust later steps (generally, the ripening) to get 
consistent results.  Absent this feedback loop (which I presume is 
the case with home emulsion-makers), you do need very accurate 
temperature control (as well as accurate control of timing, 
concentration, and flow rate of additions) to get consistent results.

Best regards,


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