Chemicals on the stick react with urine and change color to measure the. Many chemical reagent strips are available and differ between manufacturers. Collecting And Testing Specimens Ppt Download The donor will then go to a facility called a collection site where their urine specimen is collected and prepared to be shipped to the laboratory. . Chemically treated paper strips are dipped into a urine specimen and react with certain substances that can be found in the urine. Specimen-Collection Protocol for a Chemical-Exposure Event NOTE. Urine pH level test. Dipstick Test Chemical testing usually involves inserting a thin strip of plastic known as a dipstick into the urine sample. Wash hands and put on gloves before collecting the specimen. Pour the measured urine sample into the test tube. The glucose level test and the ketone test. Add accurately 5ml of Benedicts reagent into the test tube containing the u...
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