... Blood, pH, Protein, Urobilinogen, Nitrite, Leukocytes, Ascorbic Acid Urine Reagent Strips (URS) for Urinalysis are firm plastic strips to ... are affixed. Depending on the product being used, Urine Reagent Strips provide tests for Glucose, Bilirubin, Ketone ... Protein, Urobilinogen, Nitrite, Leukocytes, and Ascorbic Acid in Urine. Test results may provide information regarding the status of carbohydrate ...