The best way to titrate weak acid is by back titration, using the suitable indicator. You first add a known amount of a strong alkali and titrate the "overdose". WHATEVER wrote: > I wonder how many of you using acid stoper during developing of dry film? > say citric acid. and I would like to hear your comments. For those chemists > out there, I like to know whether it is really possible to titrate a weak > acid with three Ka ? > > Oh, by the way, anyone using resist lamintor with two sets of rollers, hot > to hot; Like to try or modify a one, if you have some information, would you > please share with me? > > Thanks. > > ################################################################ > TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c > ################################################################ > To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: > To subscribe: SUBSCRIBE TechNet <your full name> > To unsubscribe: SIGNOFF TechNet > ################################################################ > Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. > For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 > ################################################################ -- Jacob Mozel 11 Hakalanit St 44280 Kfar Saba, Israel Tel: +972 9 7425871 Fax: +972 9 7424089 e-mail: <[log in to unmask] ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################