Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Ion Specific Electrode (ISE) (1) Sample Type Liquid (1) Test Area Drugs of Abuse (5) Exposure (5) Other (1) (-) Substance ID (1) Therapeutics (39) Test Category Metals/Elements (1) Test Sub-Category Other (1) Test Test Name 2090LI Fluoride Preservative Determination, Liquid