[alt-photo] Re: dilution of pt/pd

[Loris Medici]

Clay which EDTA is that? I presume Na2EDTA... Right?

2010/7/24 Clay Harmon Website <clayh at clayharmon.com>:
> Mark, adding oxalic acid to the FO will shorten the exposure time. I tested this years ago, and it is increases the light sensitivity of
> the coating solution. And slightly increases its exposure scale. And makes it easier to clear. No downside to adding it that I was
> ever able to detect. My formula is 27g FO, 4g oxalic acid, 2g EDTA to make 100ml. I think this is a pretty standard mix.