RE: Glyoxal?

She used more concentrated (8%?) and non-acidified EM grade stock
without special precautions.

I routinely use 25% stock of glut, but the stock is chilled before
handling, and bring it in a fume hood, to dilute and adjust pH. After
this point, I can use glut in darkroom with ordinary precaution.

On Sat, 14 Jan 2006 22:52:19 -0600, "Eric Neilsen"
<e.neilsen@worldnet.att.net> said:
> What did you do Katharine?
>
> Eric Neilsen Photography
> 4101 Commerce Street
> Suite 9
> Dallas, TX 75226
> http://e.neilsen.home.att.net
> http://ericneilsenphotography.com
>
> > -----Original Message-----
> > From: Ryuji Suzuki [mailto:rs@silvergrain.org]
> > Sent: Saturday, January 14, 2006 5:07 PM
> > To: alt-photo list
> > Subject: Re: Glyoxal?
> >
> > On Sat, 14 Jan 2006 14:25:46 -0800, "Katharine Thayer"
> > <kthayer@pacifier.com> said:
> >
> > > I believe you, but after my frightful experience, you couldn't drag
> > > me near the stuff again.
> >
> > But then you were doing exactly what I said, repeatedly, to be dangeous.
> > What am I supposed to say.
> >
> > Also, considering comparable toxicity of the two agents, it lacks logic
> > to assume that glyoxal to be safer than glut, even in 30x quantity and
> > 15x concentration.
>
Received on Sun Jan 15 00:15:01 2006