... Certificate ISO 13485 Certificate FDA 510k Approval Urinalysis Strip test Glucose, Protein, pH, Ketone Intended UseURTEST 4 T Reagent ... Protein and Ketone in Urine.Test PriniciplesGlucose: The glucose oxidized by glucose oxidase catalyzes the formation of glucuronic acid and peroxide ... . Large amounts of ascorbic acid may effect the test for glucose, bilirubin, nitrite, and blood [2,4].6. Deterioration ...