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Introduction

The majority of materials on this section of the website have been developed by instructors who participated in a series of National Science Foundation-supported summer workshops aimed at promoting the use of active learning in analytical chemistry courses.

Some of the materials on this section of the website are best characterized as “works in progress” and revised versions may replace them at some point in the future.

Authors of the exercises welcome feedback from anyone considering using an item in their course.

Answer keys to the exercises are available on request to the author.

ACTIVITIES

  1. Quantitative Analysis: Nuts and Bolts – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  2. Introduction to Analytical Chemistry – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  3. Excel Workshop – [DOC, EXCEL1, EXCEL2] : Ryan West, University of San Francisco (rmwest2@usfca.edu)
  4. Introduction to Analytical Chemistry – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  5. Excel Tutorial – [DOC] : Sheri Strickland, Converse College (sheri.strickland@converse.edu)
  6. MATHCAD Tutorial – [DOC] : Timothy Strein, Bucknell University (strein@bucknell.edu)
  7. Choosing the Right Graph – [DOC] : Jennifer Monahan (Jennifer.monahan@slu.edu) and John Coulton, Saint Louis University
  8. Analyzing Literature Articles – [DOC] : Jennifer Esbenshade, University of Tennessee Martin (jesbensh@utm.edu)
  9. Data Analysis and Statistics – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  10. Statistics in Chemical Analysis – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  11. Normal Distribution and Statistics – [DOC, EXCEL] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  12. Penny Statistics with Data Set – [DOC, EXCEL] : Jordan Katz, Denison University (katzj@denison.edu)
  13. Measurement Errors – [DOC] : Amy Witter, Dickinson College (witter@dickinson.edu)
  14. Measurements and Uncertainty – [DOC] : Amber Hupp, College of the Holy Cross (ahupp@holycross.edu)
  15. Error and Statistics – [DOC] : Rebecca Hunter, The Citadel (rhunter1@citadel.edu)
  16. Statistics – [DOC] : Amy Witter, Dickinson College (witter@dickinson.edu)
  17. Statistics – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  18. Statistics – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  19. Statistics: Excel Exercise – [DOC] : Elise Heiss, Kings College (EliseHeiss@kings.edu)
  20. Propagation of Error in Solution Preparation – [PP] : Jennifer Faust, Wooster College (jfaust@wooster.edu)
  21. Propagation of Uncertainty and Titrations – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  22. Error and Propagation of Error – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  23. Figures of Merit – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  24. SI Units and Significant Figures – [DOC] : Amy Witter, Dickinson College (witter@dickinson.edu)
  25. Development of a Sampling Plan – [DOC] : Kyle Cissell, San Francisco State University (kacissel@svsu.edu)
  26. Sampling: Performance Enhancing Drugs – [DOC] :Chris Harrison, San Diego State University (charrison@mail.sdsu.edu)
  27. Stock Solution and Calibration Standard Preparation – [DOC] : Chad Kinney, University of Colorado Pueblo (chad.kinney@csupueblo.edu)
  28. Standardization – [DOC] : Rosalynn Quinones-Fernandez, Marshall University (quinonesr@marshall.edu)
  29. Dilutions and Volumetric Glassware – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  30. Use of Glassware – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  31. Concentration and Dilution – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  32. Dilutions and Propagation of Uncertainty – [DOC] : Kyle Cissell, San Francisco State University (kacissel@sfsu.edu)
  33. Concentration Determination – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  34. Solutions Preparation and Dilutions – [DOC] : Amy Witter, Dickinson College (afry@fullerton.edu)
  35. Concentration Calibration Procedures – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  36. Calibration Methods – [DOC] : Angela Gonzalez, Inter American University (angela_gonzalez_mederos@intersg.edu)
  37. Calibration Methods – [DOC] : Amanda Harris, Virginia Commonwealth University (harrisal@vcu.edu)
  38. Calibration Methods – [DOC] : Rebecca Hunter, The Citadel (rhunter1@citadel.edu)
  39. Calibration – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  40. Calibration Methods – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  41. Calibration Curves – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  42. Calibration Curves – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  43. Calibration Curves – [DOC] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  44. Internal Standards and LOD – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  45. Internal Standards and Standard Addition – [DOC] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  46. Standard Addition – [DOC] : Daniel Scott, Centre College (Daniel.scott@centre.edu)
  47. Recovery Curves and Signal Averaging – [DOC, EXCEL] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  48. Method Validation: Performance Enhancing Drugs – [DOC] : Chris Harrison, San Diego State University (charrison@mail.sdsu.edu)
  49. External Calibration and Propagation of Error – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  50. Limit of Detection – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  51. Buret Calibration and Stardardization of NaOH Solution – [DOC] : Chad Kinney, University of Colorado Pueblo (chad.kinney@csupueblo.edu)
  52. Gravimetric Analysis – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  53. Gravimetric Analysis: Calculations – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  54. Gravimetric Analysis – [DOC] : Rebecca Hunter, The Citadel (rhunter1@citadel.edu)
  55. Gravimetric Analysis – [DOC] : Elise Heiss, Kings College (EliseHeiss@kings.edu)
  56. Chemical Equilibrium – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  57. Chemical Equilibrium – [PDF] : Timothy Strein, Bucknell University (strein@bucknell.edu)
  58. Activity in Chemical Equilibrium – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  59. Activity in Chemical Equilibrium – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  60. Ionic Strength and Activity – [DOC] : Rebecca Hunter, The Citadel (rhunter1@citadel.edu)
  61. Mass and Charge Balances – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  62. Acids, Bases, Buffers and Neutralization – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  63. Acid-Base Chemistry – [DOC]: Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  64. Calculating the pH of Solutions – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  65. Acids and Bases – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  66. Acid-Base Equilibrium – [DOC] : Daniel Scott, Centre College (daniel.scott@centre.edu)
  67. Buffers – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  68. Neutralization Reactions – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  69. Acid-Base Titrations – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  70. Designing an Acid-Base Titration – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  71. Titrimetry: Analysis of Literature Article – [DOC] : Rebecca Hunter, The Citadel (rhunter1@citadel.edu)
  72. Acid-Base Titrations: Simulations – [DOC] : Michelle Kovarik, Trinity College (michelle.kovarik@trincoll.edu)
  73. Acid-Base Titrations – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  74. Acid-Base Titration Simulation – [DOC] : Ellane Park, Rollins College (ejpark@rollins.edu)
  75. Acid-Base Titrations – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  76. Back Titration – [DOC] : Jennifer Faust, Wooster College (jfaust@wooster.edu)
  77. Biofuels Titration – [DOC] : Asmira Alagic, Saint Louis University (admire.alagic@slu.edu)
  78. Weak Acid Titration – [DOC] : Yan Liu, California State Polytechnic University, Pomona (yanl@cpp.edu)
  79. Polyprotic Systems – [ProblemSet, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  80. Polyprotic Acid – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  81. Metal Complexation Equilibria – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  82. EDTA Chelation and Titrations – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  83. Metal Complexation Equilibria – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  84. Solubility Equilibria – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  85. Solubility Product – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  86. Solubility and Ionic Strength – [DOC] : Allyson Fry-Petit, California State University Fullerton (afry@fullerton.edu)
  87. Solubility and Ionic Strength – [DOC] : Daniel Scott, Centre College (daniel.scott@centre.edu)
  88. Solubility Equilibria and Calculations – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  89. Solubility Equilibria – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  90. Solubility Equilibria – [DOC] : Daniel Scott, Centre College (daniel.scott@centre.edu)
  91. Liquid-Liquid Extraction – [DOC] : Cevdet Akbay, Fayetteville State University (cakbay@uncfsu.edu)
  92. Sample Prep: Performance Enhancing Drugs – [DOC] : Chris Harrison, San Diego State University (charrison@mail.sdsu.edu)
  93. Signals and Noise – [DOC] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  94. Signals-to-Noise Ratio – [DOC] : Christine Hughey, James Madison University (hugheyca@jmu.edu)
  95. Analog to Digital Conversion – [DOC] : An-Phong Le, Florida Southern University (ale@flsouthern.edu)
  96. Nyquist Frequency – [DOC] : An-Phong Le, Florida Southern University (ale@flsouthern.edu)
  97. Signal and Noise – [DOC] : An-Phong Le, Florida Southern University (ale@flsouthern.edu)
  98. Signal Averaging – [DOC] : An-Phong Le, Florida Southern University (ale@flsouthern.edu)
  99. Electrochemistry: Basic Concepts – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  100. Redox Reactions – [DOC] : Grant Wangila, University of Arkansas Pine Bluff (wangilag@uapb.edu)
  101. Electrochemical Cells – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  102. Voltammetric Methods – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  103. Fast Scan Cyclic Voltammetry – [DOC] : Nick Kuklinski, Furman University (nick.kuklinski@furman.edu)
  104. Electrochemistry – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.du)
  105. Electrochemical Titrations – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  106. Electrochemical Titrations – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  107. Electrochemistry: Basic Concepts – [PDF] : Timothy Strein, Bucknell University (strein@bucknell.edu)
  108. Electrochemistry: Introductory Concepts – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  109. Potentiometry – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  110. Electrochemical Sensor Project – [DOC] : Asmira Alagic (admire.alagic@slu.edu) and Tara Tabibi, Saint LouisUniversity
  111. Literature Article Analysis: Electrochemistry – [DOC] : Daniel Scott, Centre College (daniel.scott@centre.edu)
  112. Literature Article Analysis: Electrochemistry – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  113. Fick’s Laws – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  114. Liquid-liquid Extraction – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  115. Chromatography: Basic Concepts – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  116. Chromatographic Peak Broadening – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  117. Fundamental Resolution Equation – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  118. Chromatography – [DOC] : Susan Oxley, St. Mary’s University (San Antonio) (soxley@stmarytx.edu)
  119. Gas Chromatography – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  120. Gas Chromatography – [DOC, PP] : Krista Vikse, San Francisco State University (kristak@sfsu.edu)
  121. Introduction to Chromatography – [DOC] : Ryan West, University of San Francisco (rmwest2@usfca.edu)
  122. Chromatographic Resolution – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  123. GC Elution Order – [DOC] : Rosalynn Quinones-Fernandez, Marshall University (quinonesr@marshall.edu)
  124. GC Retention Order – [DOC] : Leonard Demoranville (Leonard.demoranville@centre.edu) and Daniel Scott (daniel.scott@centre.edu), Centre College
  125. GC: Temperature Influence – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  126. Sample Introduction in Gas Chromatography – [DOC] : Alena Kubatova, University of North Dakota (alena.kubatova@und.edu)
  127. Gas Chromatographic Columns – [DOC] : Alena Kubatova, University of North Dakota (alena.kubatova@und.edu)
  128. Gas Chromatographic Detectors – [DOC] : Alena Kubatova, University of North Dakota (alena.kubatova@und.edu)
  129. GC-Electron Capture Detection: Analysis of a Literature Article – [DOC] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  130. Gas Chromatography: End of Unit Problem Solving – [DOC] : Kathryn Riley, Swarthmore College (kriley1@swarthmore.edu)
  131. Bonded-Phase Liquid Chromatography – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  132. Partition Coefficient and Chromatographic Retention Order – [DOC] : Molly McGuire, Bucknell University (mmcguire@bucknell.edu)
  133. HPLC Retention Order – [DOC] : Leonard Demoranville (Leonard.demoranville@centre.edu) and Daniel Scott (daniel.scott@centre.edu), Centre College
  134. HPLC Case Study: Forensics with Chromatographic Data Set – [DOC1, DOC2] : Amber Hupp (ahupp@holycross.edu) and Rebecca Davies, College of the Holy Cross
  135. Literature Analysis: Mass Spectrometry – [DOC] : Nathan Wittenberg, Lehigh University (njw@lehigh.edu)
  136. Literature Article Analysis: HPLC vs. GC-MS – [DOC] : Daniel Scott, Centre College (Daniel.scott@centre.edu)
  137. Ion Exchange Chromatography – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  138. Steric Exclusion Chromatography – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  139. Size Exclusion Chromatography – [DOC] : Yan Liu, California State Polytechnic University, Pomona (yanl@cpp.edu)
  140. Size Exclusion Chromatography – [DOC] : Garland Crawford (Crawford_gl@mercer.edu) and Kathryn Kloepper (kloepper_kd@mercer.edu), Mercer University
  141. Capillary Electrophoresis – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  142. Selection of Appropriate Separation Method – [DOC] : Amber Hupp, College of the Holy Cross (ahupp@holycross.edu)
  143. Literature Article Analysis: Microfluidic Field Assays – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  144. Mass Spectrometry: Basic Concepts – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  145. Introduction to Mass Spectrometry – [DOC] : Chrisi Hughey, James Madison University (hugheyca@jmu.edu)
  146. Mass Spectrometry: Nitrogen Rule – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  147. Mass Spectra of THMs and Fluorobenzene – [DOC] : Peter Palmer, San Francisco State University (palmer@sfsu.edu)
  148. Mass Spectrometry: Performance Enhancing Drugs – [DOC] : Chris Harrison, San Diego University (charrison@mail.sdsu.edu)
  149. Qualitative and Quantitative Analysis via GC-MS – [DOC] : Peter Palmer, San Francisco State University (palmer@sfsu.edu)
  150. GC-MS: Performance Enhancing Drugs – [DOC] : Chris Harrison, San Diego State University (charrison@mail.sdsu.edu)
  151. Mass Spectrometry: Analysis of a Literature Article – [DOC] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  152. Mass Spectrometry – DESI vs DART – [DOC] : Nick Kuklinski, Furman University (nick.kuklinski@furman.edu)
  153. Mass Spectrometry Imaging – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  154. Echellette Grating – [DOC] : Christine Hughey, James Madison University (hugheyca@jmu.edu)
  155. Echellette Grating – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  156. Fourier Transformation of Data – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  157. Spectroscopy: Basic Concepts – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  158. Beer’s Law Calculations – [DOC] : Sarah Gray, Stockton University (sarah.gray@stockton.edu)
  159. Beer’s Law – [DOC] : Kate Mullaugh, College of Charleston (mullaughkm@cofc.edu)
  160. UV/VIS Spectroscopy – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  161. UV/Vis Spectroscopy – [DOC, EXCEL] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  162. Spectral Data Set with Suggested Uses – [DOC, EXCEL, PDF] : David Harvey, Depauw University (harvey@depauw.edu)
  163. Infrared Spectroscopy – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  164. FT-IR Spectroscopy – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  165. Molecular Luminescence Spectroscopy – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  166. Fluorescence pH Curve – [DOC, EXCEL] : Jill Venton, University of Virginia (bjv2n@eservices.virginia.edu)
  167. Quantitative Fluorescence – [DOC] : Daniel Scott, Centre College (daniel.scott@centre.edu)
  168. Literature Article Analysis: Fluorescence – [DOC] : Daniel Scott, Centre College (daniel.scott@centre.edu)
  169. Absorbance and fluorescence analysis of NAD and NADH – [DOC] : Rebecca Pompano (rrp2z@virgina.edu)
  170. Raman Spectroscopy – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  171. Atomic Spectroscopy – [Problem Set, TEXT] : Thomas Wenzel, Bates College (twenzel@bates.edu)
  172. Comparing Spectroscopic Techniques – [DOC_1] : Jennifer Monahan and Asmira Alagic, Saint Louis University (jmonaha1@slu.edu, alagic@slu.edu)
  173. NMR Spectroscopy – [DOC] : David Griffith, Willamette University (dgriffit@willamette.edu)
  174. NMR Spectroscopy – [DOC] : Rosalynn Quinones-Fernandez, Marshall University (quinonesr@marshall.edu)
  175. Immunoassays – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  176. Understanding Radiative Forcing: Climate Change – [DOC, PP] : Andreas Beyersdorf, California State University San Bernadino (andreas.beyersdorf@csusb.edu)
  177. Atmospheric Gases – CO2 and O3 – [DOC] : Nick Kuklinski, Furman University (nick.kuklinski@furman.edu)
  178. Analysis of Biochemical Oxygen Demand, Phosphate and Nitrate – [DOC] : Kyle Cissell, San Francisco State University (kacissel@sfsu.edu)
  179. Comparison of Phosphate Analysis Methods – [DOC] : Kyle Cissell, San Francisco State University (kacissel@sfsu.edu)
  180. Chemistry of Bread-Making – [DOC] : Asmira Alagic, Saint Louis University (asmira.alagic@slu.edu)
  181. Elemental Analysis of Ancient Roman Coins – [DOC] : Walter Bowyer (bowyer@hws.edu), Jonathan Thrall and Aaron Weitgenant, Hobart Williams Smith Colleges
  182. Case Study: Arsenic Analysis – [DOC] : Sheri Strickland, Converse College (sheri.strickland@converse.edu)
  183. Phytochemicals in Broccoli Microgreens – [DOC] : Amy Witter, Dickinson College (witter@dickinson.edu)
  184. Case Study: Lead in Water – Flint, Michigan – [DOC] : Rebecca Pompano, University of Virginia (rrp2z@virginia.edu)
  185. Case Study: Morphine and its Metabolites – [DOC] : Kathryn Riley, Swarthmore College (kriley1@swarthmore.edu)
  186. Case Study: Sampling anf Sample Preparation – [DOC] : Kathryn Riley, Swarthmore College (kriley1@swarthmore.edu)