Blood Gas/ ISE Reagents, Controls, Electrodes Manufacture Phoenix Diagnostics is a premier alternative manufacture of consumables for Blood Gas, Electrolyte, Co-Oximetry and Chemistry Analyzers Worldwide. Over thirty years of experience within the in-vitro diagnostics industry has enabled our staff, to engineer a technologically sophisticated product line of replacement BG/ISE Reagent, Calibrators, Quality Controls, and Electrodes. We now have newly released liquid stable Calibration Verification Material (CVM), for General Chemistry, We offer replacement ISE products for most Roche/Hitachi/Olympus/Dade/Beckman/Coulter Chemistry Analyzers