Adulteration is the tampering of a urine specimen with the intention of altering the test results. Dilution by drinking excess water may also be employed in an attempt to produce false negative drug test results. These dip and read adulteration strips for urine in a 50x strip pack will test the urine for concentration of creatinine to measure dilution factor, and also detects those substances that donors buy on the internet in an attempt to fool a drug test. This dip strip tests for: -Creatinine -Nitrite -Glutaraldehyde -pH (acid / alkali) -Oxidation products (includes pyridinium chlorochromate)