SEST-559 Lecture Notes - Lecture 3: Absorbance
6 Jun 2018
School
Department
Course
Professor
DETERMINATION OF IRON
REPORT SHEET
Name: ________________________ Date: _____________
Laboratory instructor or teaching assistant: _________________________________________
1. Review pages on graphing in appendix. Draw a line-of-best-fit through all of your data
points. Include the graph with your report sheet.
2. Show a sample calculation for calculating the concentration of iron (ppm) in test tube
number 3.
3. Results.
Tube # Iron Content (mg/10 mL) Iron Concentration (ppm) Absorbance reading
(calculated)
1 0.00 0
2 0.01
3 0.03
4 0.05
5 0.07
6 0.10
7 Unknown # ____
8 Unknown # ____
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