Re: [Rollei] Film washing technique

[David Seifert <dseifert >]

At 10:30 PM 5/2/2003 -0400, you wrote:
>     Hi,
>
>      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
><http://www.skcgulfcoast.com/nioshdbs/npg/npgd0338.htm>http://www.skcgulfcoast.com/nioshdbs/npg/npgd0338.htm

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>.

David

>     It also makes nice yellow stains on your clothes, so dress appropriately,
>
> 
>Sincerely,
>                                                                   Pamela 
> Jean Curry (super-geek)
>
>Film Studio Faux http://www.geocities.com/hazelflagg

Best Regards,

David Seifert
dseifert  

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