Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Alcohol Testing Done Affordably Mike Suchocki Covered Topics • • • • • Reasons for testing Types of alcohol tests How alcohol testers work Personal devices for alcohol testing Advantages and Disadvantages Reasons for Testing Prosecute drunk drivers Ensure sober employees Recognize alcohol abuse Personal knowledge of impairment Types of Tests • • • • • Blood - Standard for alcohol testing (BAC) Breath - Four different types Urine - quantitatively inaccurate Saliva - Correlation with BAC unknown Sobriety - series of tests to judge impairment • http://www.intox.com/wheel/drinkwheel.asp Blood Alcohol Testing • Uses Gas Chromatography Breath Alcohol Testing • Breathalyzer • Intoxilyzer • Fuel Cell Detector • Semiconductor All based on different principles Has a correlation of 1 to 2100 breath to blood ratio Breathalyzer Uses a chemical reaction to cause a color change Intoxilyzer Measures the Wavelengths of bonds in Alcohol With the Absorption of IR light Fuel Cell Detector Process of oxidizing alcohol An alcohol molecule can free a certain number of electrons Semiconductor • Measures a current produced by a voltage on a transition metal oxide • Alcohol in contact with the bead causes a change of resistivity Breath Testing Devices • • • • Breathalyzer - $40-550 Intoxilyzer - $60-6,000 Fuel Cell - $480 (portable) Semiconductor - $40 (portable) References • • • • http://www.intox.com/wheel/drinkwheel.asp http://science.howstuffworks.com/breathalyzer.htm http://chem.lapeer.org/chem1docs/Breathalyzer.html http://educ.queensu.ca/~science/main/concept/chem/c03/C03de ae4.htm • http://www.intox.com/fuelcell.asp • http://shop.store.yahoo.com/campingsurvival/howbreatwor.html • http://www.druglibrary.org/schaffer/Misc/driving/s5p4.htm • http://www.answers.com/topic/blood-alcohol-test-assumptions