Pogil - Process Oriented Guided Inquiry Learning

Status Key:

  1. Activity ready for classroom use and testing
  2. Activity in revision stage, may be available for use
  3. Activity in Draft Stage
  4. Activity Topic Identified

Introduction to Chromatography


Status: 2

Peer Reviewed: Yes


Download Activity File PDF


Version: 4 (Versions 3, 1)


Authors

Caryl Fish
Mary Walczak
Ruth E Riter

Additional author: Paul Jackson

General Topics

Chromatography – General


Specific Topics:

Retention Time 
Separations

Content Learning Objectives:


  • Relate the separation process to features of the chromatogram, such as retention time, and resolution.
  • Explain how the chemical interactions between a solute and both the stationary phase and the mobile phase impact retention.
  • Predict the elution order for a set of compounds given the mobile and stationary phase composition.

Process Learning Objectives:


  • Relate molecular interactions and macroscale processes (critical thinking)

Prerequisites:

Solvent extraction 

Intermolecular forces 

Time Required: 50 minutes


Date Submitted: March 30, 2009

Band Broadening Effects in Chromatography

Status: 2

Peer Reviewed: Yes


Download Activity File PDF


Version: 1


Authors

Caryl Fish
Ruth E Riter
Mary Walczak

General Topics

Chromatography – General

Specific Topics:

Band broadening in chromatography 
Van Deemter Equation

Content Learning Objectives:


  • Students will be able to explain how band broadening is related to flow rate
  • Students will explain how the three components in the van Deemter equation affect bandwidth

Process Learning Objectives:


  • Students will be able to describe relationships from a graph (Information Processing)
  • Students will be able to sketch graphs of known relationships (Critical Thinking)

Prerequisites:

Intermolecular forces 

Introduction to Chromatography

Time Required: 50 minutes


Date Submitted: February 21, 2007


Introduction to Separations

Status: 4

Liquid Chromatography

Status: 4

Gas Chromatography

Status: 4

Electrophoresis

Status: 4