FREE pH measurement booklet

[R. Klein]

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