FREE pH Measurement booklet

[Dan Altura]

A free pH booklet is available which contains valuable information on basic 
pH measurement theory, pH measurement techniques, selecting the proper pH
electrode for a particular application, and a pH  troubleshooting guide.  
The booklet is available from Lazar Research Labs. Inc. by emailing
service at lazarlab.com or faxing 1-213-931-1434.  The booklet can also be
obtained from the Lazar web site at http://www.lazarlab.com