We currently use a titration method with a concentration of H2SO4, which gives a very good result. Regards James > -----Original Message----- > From: Lou Hart [SMTP:[log in to unmask]] > Sent: Tuesday, February 08, 2000 3:39 AM > To: [log in to unmask] > Subject: [TN] Saponifier concentration measurement > > Technetters, how do you measure saponifier concentration in a board > assembly cleaning machine? We've been using a refractometer to measure > degrees Brix, but this is appears to be a "legacy" method. I've been > hearing titration would be the way to do it. Please comment. Lou Hart QA > manager, Compunetix 412-858-6184 > > ############################################################## > TechNet Mail List 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 web site (http://www.ipc.org/html/forum.htm) for > additional > information. > If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or > 847-509-9700 ext.5365 > ############################################################## ############################################################## TechNet Mail List 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 web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################