XTOL Mishap

[Ororaro]

D76 is great, don't get me wrong (…) It's the ultimate baseline.

🤓

 

[Freakscene]

I picked up a new pack of Xtol a couple weeks back. Says “Made in USA” on it. I was surprised that production has (seemingly) already transferred back.

Happy to report that I’ve never experienced sudden death (in life or with Xtol…knock on wood). It’s my favorite developer for a variety of reasons, but it’s also ok if others have other preferences.

Hope that OP figures out what went wrong. It sucks pulling blank rolls out of the developing tank. We’ve all been there.

They started shipping in November 2023. I think they are still trying to catch up.

 

[maddoc]

Borax-boric acid buffers are great, and the pH increases with dilution so buffered D-76 1+1 and 1+3 work really well.

Does the pH increase with dilution due to an increased activity (not concentration) of the borate anion in dilute solutions? Since pH = pKa + log ([A-]/[HA]).

 

[Freakscene]

Does the pH increase with dilution due to an increased activity (not concentration) of the borate anion in dilute solutions? Since pH = pKa + log ([A-]/[HA]).

Short answer: yes!