A Chemical Test Is Used To. Dui chemical tests can be conducted using breath samples or blood and/or urine. Chemical testing (analytical testing) for medical devices refers to the process of identifying, characterising and comprehending the chemicals used in the manufacturing process.
A chemical test is used to measure the blood alcohol content (bac) of a driver suspected of dui (driving under the influence). The chemical examination of urine is most commonly carried out in the surgery or outpatient clinic, by a nurse, using commercially prepared test strips. To prepare for a chemical stress test: