... FDA 510k Approval Urinalysis Strip test Glucose, Protein, pH, Ketone Intended UseURTEST 4 T Reagent Strips For Urinalysis are in ... Reagent strips provide tests for Glucose, pH, Protein and Ketone in Urine.Test PriniciplesGlucose: The glucose oxidized by glucose oxidase ... makes the indicator further ionized, which changes its color.Ketone: The acetoacetate and sodium nitroprusside cause a reaction in ...