Re: Life of gum dichromate mixture

John Brewer wrote:
>
> Can anyone tell me how long gum + dichromate + pigment may be kept
> before it is unusable?
>

Hi John,
Like everything, it depends. I've had a mix 8-10 hours old print
beautifully, but I've also had mixes fail in less time. Generally I
prefer to print what I've mixed within an hour or so.
Katharine Thayer
Received on Fri Jul 1 16:06:48 2005