CHEM 311

ENVIRONMENTAL CHEMICAL ANALYSIS

Course Handouts - 2018

Textbook Question numbers for the 8th and 9th Editions of textbook only

Introduction and Review: Chapters 0, 1 and 2      (1.5 weeks)

• Introduction to Environmental Chemical Analysis; Caffeine in Chocolate Bar Intro to Analytical Process Lecture; Introductory Terms

• Analytical Methodologies – volumetric, spectrophotometric and electrochemical techniques (atomic emission spectra)

• Review: Significant Figures, Naming, Oxidation States, Balancing Redox Reactions, Acids/Bases, Electrochemistry

• Measures of Concentration (M, N, mg/L, ppm etc); Examples w answers

• Preparing solutions and more stiochiometry; Back titrations; Examples w answers

• Tools of the trade

Chapter 1: Questions 1-17 to 1-19, 1-22, 1-30 to 1-33, 1-35 (8th Ed)

                Questions 1-20 to 1-22, 1-25, 1-32 to 1-35, 1-37 (9th Ed)

Chapter 2: Questions 2-26 (8th Ed)

                Questions 2-30 (9th Ed)

Environmental Analytes and Environmental Matrices: Handouts and lecture notes       (1.5 weeks)

    Standard Methods for the Analysis of Water and Wastewater

• Physical, Chemical and Biological Parameters     Total Alkalinity example pg 4

• Solids, Inorganic Ions, Metals, Organics

• Dissolved Gases: Oxygen and Carbon Dioxide

• Oxygen Demand and Alkalinity

• Sample Preparation (digestions) and Sampling Methods (blanks, internal standards and preservatives)

 Experimental Error and Applied Statistics: Chapter 3 and 4          (1.5 week)

• Types of Error, Precision and Accuracy

• Propagation of uncertainty

• Gaussian distributions, Standard deviations, Confidence intervals

• Comparison of mean values and Grubb's test for data rejection; Applications of Statistics; Practice Questions; Examples w answers

• Calibration curves

• Spreadsheets for Least Squares Analysis

Chapter 3: Questions 3-5, 3-10, 3-12 to 3-18, 3-20, 3-21 (8th Ed)

Chapter 3: Questions 3-5, 3-10, 3-12 to 3-18, 3-20 (9th Ed)

Chapter 4: Exercise 4-B & 4-G; Questions 4-11, 4-13, 4-20, 4-22, 4-28, 4-29, 4-30, 4-31 and 4-32 (8th Ed)

Chapter 4: Exercise 4-B & 4-G; Questions 4-12, 4-14, 4-21, 4-23, 4-30, 4-31, 4-33 and 4-34 (9th Ed)

 Quality Assurance and Calibration Methods: Chapter 5              (1.5 weeks)

• Standard Additions,  Internal Standards     Examples with solutions

• Quality Assurance, Method Validation and Control Charts

Chapter 5: Exercise 5-B & 5-C; Questions 5-6, 5-7, 5-15, 5-16, 5-18, 5-19, 5-24, 5-31 and 5-33 (8th Ed)

Chapter 5: Exercise 5-B & 5-C; Questions 5-6, 5-7, 5-15, 5-16, 5-18, 5-19, 5-23, 5-31 and 5-33 (9th Ed)

 MID-TERM (Tuesday, October 25^th)

 Instrumental Methods                (6 weeks)

• Electrochemical Methods (pH, ISE and DO)             Selections from Chapters 14, 15

• UV/Vis Spectrophotometry (and fluorimetry)            Selections from Chapters 19, 20, 21

• Atomic Absorption Spectroscopy (AAS, AES)          Chapter 22

• GC/HPLC (conventional and MS detectors)              Selections from Chapters 23, 24, 25

 Tandem Instrumental Methods and Emerging Technologies          (1 week)

•  LC-MS

• GC-MS/MS

• Student Seminars on Special Topics

See additional student resources (Online Chapter Quizzes) via the textbook website