Ph Electrodes Websites:
weissresearch.com
pH electrodes, Ion-selective electrodes (ISE), ORP electrodes, pH meters
Weiss Research manufactures pH electrode, Ion-selective Electrodes, ORP electrode, Dissolved oxygen Probe, Conductivity Probes and Reference Electrodes
lazarlab.com
Lazar Research Laboratories Inc. - laboratory instrumentation specializing in...
Providing quality instrumentation to laboratories around the world in the areas of chemical analysis, biotechnology, environmental monitoring, and industrial processing.