John Hrizo - Monroeville PA James E. Bauerle - Plum Borough PA Robert E. Witkowski - West Mifflin PA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
G01N 2762 G01R 3500
US Classification:
324468
Abstract:
A calibration filament containing a sodium-bearing compound is included in combination with the sensing filament and ion collector plate of a sodium ionization detector to permit periodic generation of sodium atoms for the in-situ calibration of the detector.