205 / | HD | ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS |
775 | DF | ELECTROLYTIC ANALYSIS OR TESTING (PROCESS AND ELECTROLYTE COMPOSITION) {19} |
778.5 | .~ For halogen or halogen containing compound {3} | |
779 | DF | .~.~> In biological fluid (e.g., urine, etc.) |
779.5 | DF | .~.~> Gaseous halogen or halogen containing compound |
780 | DF | .~.~> Using electrode containing precious metal or free carbon |