[Frameworks] chemistry in artists-run labs

[FrameWorks Admin]

Dear Esther,
Are you using permanganate bleach or potassium dichromate (R9)?
Pip Chodorov 


> On Sep 6, 2021, at 9:42 PM, Esther Laurent-Baroux <estherlaurent-baroux at hotmail.fr> wrote:
> 
> 
> We regularly have problems with C4 : the films often come out gray, with little contrast, and with kinds of white spots, especially in the blacks.
> I wondered if other labs had the same kind of problems, and if this is due to the collective management of chemicals and their production.
> 

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