Archived posting to the Leica Users Group, 2002/06/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]OK, I'm going with Edward on this one. He explained it better than my university chemistry professor. :-) Not that I understand the whole explanation but I'll just keep on using that Kodak Indicator Stop Bath as long they keep making it. It's worked just fine for me for years. Mike Gardner Assuming a base is a proton > acceptor, and an acid a proton donor (let's leave multi-protic compounds out > of it) pH is actually the - Log{H+} or the 'activity co-efficient of a given > solution x [H+] = {H+}. There are also STRONG acids and WEAK acids - strong > acids (dissociate completely in solution) THERE the {H+) = [H+] so pH IS (snipped) - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html