Re: Phenidone

[Sandy King <sanking@clemson.edu>]

I am also concerned about over-heating so I never 
go over 150ºF. There have been some reports that 
phenidoine does break down over about 175ºF, but 
I don't know for sure they are accurate.

Sandy King



At 10:03 PM -0600 6/7/07, Michael Koch-Schulte wrote:
> Does the Phenidone break down at a certain temperature? I took the first
> batch (Mytol) and heated to 140F and that helped a lot.
> ~m
>
> ----- Original Message -----
> From: "Sandy King" <sanking@clemson.edu>
> To: <alt-photo-process-l@usask.ca>
> Sent: Thursday, June 07, 2007 8:38 PM
> Subject: Re: Phenidone
>
>
> You won't need to heat it very much. I use a
> magnetic stirrer and the phenidone is in solution
> way before the glycol gets up to 100ºF.
>
> Ethylene glycol will probably work just as well, but I won't swear to it.
>
> Sandy
>
>
> At 9:20 PM -0600 6/7/07, Michael Koch-Schulte wrote:
> > Do I need to heat it? Anti-freeze? Really? Tech grade probably right not
> > automotive? Thx.
> >
> > ~m
> >
> > ----- Original Message -----
> > From: "Sandy King" <sanking@clemson.edu>
> > To: <alt-photo-process-l@usask.ca>; <alt-photo-process-l@sask.usask.ca>
> > Sent: Thursday, June 07, 2007 7:53 PM
> > Subject: Re: Phenidone
> >
> >
> > >   You could dissolve it in propylene glycol. Should keep indefinitely.
> > >
> > >   Sandy King
> > >
> > >
> > >   At 8:52 PM -0600 6/7/07, Michael Koch-Schulte wrote:
> > >   >What's the best way to dissolve and keep a working solution of
> Phenidone?
> > >   >
> > >   >~m
> > >   >
> > >   >
> > >   >
> > >   >RNP Arrays: Open Source Digital Negative Project
> > >   >http://www.inkjetnegative.com