The Chemistry of Water: Instructor's Manual
Contents
In What Courses Could the Module Be Used?
Chemical Concepts and Experimental Methods
Sampling
Reading in Laboratory Manual
Time Required
Preparation for the Field Trip
The Field Trip: Encouraging Student Participation
Flow of Lab
The Laboratory Notebook
A Note About Labeling Schemes
Safety Considerations
Stockroom Prep: Sampling
Coliform Bacteria Analyses
Reading in Laboratory Manual
Time Required
Pre-lab Discussion
Glassware
Sterilization
Nutrient broth
Filtration
Incubation
Counting Colonies
Reproducibility of the Test
Interpretation of the Results
Disposal of Used Petri Plates
Stockroom Prep: Coliform Test
pH and Alkalinity
pH Determination
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Alkalinity Determination
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations for Buret Titration Method
Calculations for Hach Titrator Method
Answers to the Titration Curve Exercise
Field-Ready Alternatives to Burets
Stockroom Prep: pH and Alkalinity
Total Dissolved Solids
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Instructor's Notes on Salinity and Conductivity
Stockroom Prep: TDS Analysis
Dissolved Oxygen
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations
Field-Ready Alternatives for the Winkler Method
Stockroom Prep: DO Analysis
Dilutions
Stockroom Prep: Dilutions
Calculations for the Chloride Determination
Field-Ready Alternatives for Chloride Determination
Instructor's Notes on Chloride Determination
Stockroom Prep: Chloride Analysis
Fluoride Determination
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Field-Ready Alternatives for Fluoride Determination
Instructor's Notes on Fluoride Determination
Stockroom Prep: Fluoride Analysis
Nitrate Determination
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations for Nitrate Determination
Field-Ready Alternatives for Nitrate Determination
Stockroom Prep: Nitrate Determination
Phosphate Determination
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations for Phosphate Determination
Field-Ready Alternatives for Phosphate Determination
Stockroom Prep: Phosphate Analysis
Sulfate by a Turbidimetric Method
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations for Sulfate Determination
Field-Ready Alternatives for Sulfate Determination
Stockroom Prep: Sulfate Determination
Anions by Ion Chromatography
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Instrument Prep: IC Anion Analysis
Preparation of Eluant Solution
Water Hardness by EDTA Titration
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations for Hardness Determination
Field-Ready Alternatives for Water Hardness
Stockroom Prep: Water Hardness
Total Cation Content by Ion Exchange
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Calculations for Total Cation Determination
Stockroom Prep: Total Cation Content
Flame AA for Quantification of Cations
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
Standardization
Flow of Lab for Rotation Through a Series of Experiments
Stockroom Prep: AAS Cation Analysis
Flame AA Instrument Setup
Preparation of Standards
Troubleshooting Common Instrument Problems
Data Analysis and Statistics
Reading in Laboratory Manual
Time Required
Before Lab
Pre-lab Discussion
The Data Analysis Worksheet
What to Expect in Your Data
A Sample Data Set
The Excel Worksheet
Plotting the Data
Other Interesting Things to Do With the Data
Answers to the Statistics Worksheet
The Report
Grading Keys
Sample Data from Strawberry Creek
The Anza.practice Data File
Sample Plots of Strawberry Creek Data
Appendix A: Suppliers for the Water Module
Appendix B: Data Collection Sheets
Appendix C: Transparency Masters