shchlorine_08 - 3 Total Treated Water(U.M Tap Raw Potable...

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APPENDIX FOR PROJECT #4 CHLORINE RESIDUAL Name: _________________________ Date of Experiment: _________________________ Group Members : ______________ ______________ ______________ Sample Description Sample I.D. Description Date Collected or Prepared Treated Water (U.M. Tap) Raw Potable Water Distilled Water Blank 2 mg/L control (Analyzed 2 times) DATA Preparation of Control Sample Description Conc. of Stock (mg/l) Vol. Stock Used (ml) Final Vol. of standard/control (ml) 2 mg/L control Comments Concerning Sample Preparation: Data Sample I.D. Description Burette Reading (ml) A B C D Treated Water (U.M. Tap) Raw Potable Water Distilled Water Blank 2 mg/L control
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2 mg/L control Notes or comments about the titration. DATA ANALYSIS Results Assuming NCl 3 Present Sample I.D. Description Chlorine Concentration (mg/l as Cl 2 ) Free Cl 2 NH 2 Cl NHCl 2 NCl
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Unformatted text preview: 3 Total Treated Water (U.M. Tap) Raw Potable Water Distilled Water Blank 2 mg/L control 2 mg/L control Results Assuming NCl 3 Not Present Sample I.D. Description Chlorine Concentration (mg/l as Cl 2 ) Free Cl 2 NH 2 Cl NHCl 2 NCl 3 Total Treated Water (U.M. Tap) Raw Potable Water Distilled Water Blank 2 mg/L control 2 mg/L control Which of the two tables above is considered the correct one? ___ with NCl 3 ___ without NCl 3 DATA ANALYSIS (continued) Compute the % error of the experiments using the 2 mg/L control. Provide a value for total residual only (free + combined). Compute the standard deviation of the experiment using data from the replicates on the control. DISCUSSION AND CONCLUSION 1.Discuss data quality and possible sources of error....
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This note was uploaded on 01/08/2012 for the course CAE 345 taught by Professor Staff during the Spring '11 term at University of Miami.

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shchlorine_08 - 3 Total Treated Water(U.M Tap Raw Potable...

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