Re: Hardening With Glyoxal: One Shot?

[Gary Nored <gnored@centurytel.net>]

Michael Koch-Schulte wrote:
> I'm mixing small batches (100 ml) of 3 per cent Knox with 2.5 mls of Glyoxal
> (oh, and a splash of rye whiskey for bubbles) for sizing paper with a sponge
> brush. Can I reuse this mixture by simply reheating in the microwave after
> it cools and gels overnight? Is there a shelf life? Thx.
>
> ~m
>
> RNP Arrays: An Open Source Digital Negative Project
> www.inkjetnegative.com
>
>
>   
In my experience the gelatin loses its 'vital essence' after a couple of 
heatings and doesn't work the same anymore :(

Gary