2. BC ILN 1 Analyzing Your Samples using Atomic Absorption Spectroscopy (AAS) Thompson Rivers University

3. BC ILN Analyzing Your Samples using AAS Preparing your samples Submitting your samples Running your samples Recording your values 2

4. BC ILN In your Data Book Record neatly  Any observations  The concentration of stock solution used  The labeled tube numbers 3

5. BC ILN Prepare your labeled auto-sampler tubes for submission to the BC-ILN Your instructor will supply you with auto-sampler tubes with caps and a rack to put them in for submission Label the tubes and organized them in the rack provided 4 3 cm

6. BC ILN During your scheduled instrument time… Go to your computer station get connected to the BC-ILN Ask your instructor to show you how to operate the Atomic Absorption Spectrophotometer 5

7. BC ILN 6

8. In Your Data Book Use neatly organized tables Record the absorbance values when the reading is complete * REPEAT the process 7 Once you have obtained at least TWO readings for each tube, you are finished and can inform your instructor