[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Rollei] Film washing technique
- Subject: Re: [Rollei] Film washing technique
- From: David Seifert <dseifert >
- Date: Fri, 02 May 2003 20:28:30 -0700
At 10:30 PM 5/2/2003 -0400, you wrote:
> As a former professional, I can attest the Fresh Hypo (not the type
> that sits
> in the newsroom darkroom for a week without being changed) will do the
> job with
>no surprises 10 down the line. But, since many of you appear to be hobbyists
>you might also want to check out the potential hazards and be sure your
>home darkroom is ventilated properly.
Good advice about using fresh fixer and making sure you have ventilation.
> Hypo i.e. Hydroquinone.
> This is the link to the NIOSH Pocket Guide to Chemical Hazards
No, no! Hydroquinone is a developing agent. Hypo is slang for the active
agent in fixer which is currently Sodium Thiosulfate. Way back when these
things were getting their nicknames fixers used Sodium Hyposulfate. Or so
I have been told by those who claim to remember <g>.
> It also makes nice yellow stains on your clothes, so dress appropriately,
> Jean Curry (super-geek)
>Film Studio Faux http://www.geocities.com/hazelflagg