Re: Stains on 10x8 negatives


FotoDave@aol.com
Wed, 27 Jan 1999 13:04:13 -0500 (EST)


In a message dated 1/27/99 9:59:53 AM Pacific Standard Time, silh@iag.net
writes:

> What you mean is "sulfite" the grand universal everything in photography, a
> totally different substance. HCA is primarily sodium sulfite, with sodium
> bisulfite as a buffering agent, and EDTA to minimize mineral deposits.
>
> Surprising what difference one little character can make!
>

Yep. I did know there was a difference but could never remember which was
which.

Sometimes I don't know why they created the names to be so similar though.
They have so many characters (well 26 but lots of combinations) to use.

Thanks for pointing it out though.

Dave



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