Quote Originally Posted by Kirk Keyes View Post
Didn't benzyl alcohol serve this porpose as well - as a cosolvent?
This one.

In response to post #300:

Originally Posted by Photo Engineer
It is well known that Benzene sulfonates help PPDs dissolve! In fact, a close analog, pTosyl (para Toluene Sulfonic Acid) is used for all CD3 developers and CD6 developers today.