NANSLO Remote Lab Activity: Gas Chromatography

This NANSLO lab activity is self-contained and can be used in second semester general chemistry and survey of chemistry courses. In this activity, a mixture of four volatile organic compounds is used to illustrate separation and shows how experimental conditions can affect separation based on polarity. The lab activity includes background information which defines polarity, electronegativity, polarity of a bond, and intermolecular forces of attraction. It then discusses what chromatography does to compounds and particles. The lab activity includes pre-lab questions and lab exercises.
Microsoft Word NANSLO Remote Web-based Science Lab Gas Chromatography is used to compare and contrast different molecular structures for polarity allowing you to rank molecules in terms of polarity and accply concepts of polarity and intermolecular forces of attraction in predicting retention times on a gas chromatograph column.. It contains pre-laboratory questions, laboratory exercises,post-laboratory analysis, and optional advanced post-lab analysis activities for the assigned lab. (2 MB)

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Date:
2014-04
Primary Material Type:
Assignment
Institution:
Western Interstate Commission for Higher Education
Funding Source:
TAACCCT Round 2
Subjects:
NANSLO Remote Lab Activity: Gas Chromatography, comparing and contrasting molecular structures for polarity and rank molecules in terms of polarity, use polarity and intermolecular forces of attraction to predict retention times on a gas chromatograph column, laboratory exercises

Industry / Occupation

Industry Partner:
Health Care
Industry Sector:
Health Care and Social Assistance (62)
Occupation:
Healthcare Practitioners and Technical Occupations (29-0000)

Education / Instructional Information

Instructional Program:
Health Professions and Related Clinical Sciences (51)
Credit Type:
  • Credit
Credential Type:
  • Associate Degree
  • Bachelors Degree
Educational Level of Materials:
  • 1st year Community College or equivalent
  • 2nd Year Community College or equivalent
  • Upper division of Bachelors degree or equivalent
Time Required:
2 Hrs connected to laboratory through the Internet plus pre-lab and post-lab work
Language:
English (United States)
Interactivity Type:
Active - requires user to respond to prompts, questions, etc.
Quality Note:
Curriculum expert in this discipline worked with Discipline Panel of faculty to define learning objectives needed for this lab activity. During development, teleconferences were held to discuss lab activity being developed. Draft activity was posted to listserv for review by Discipline Panel and other faculty in that discipline. Based on feedback, lab activity was modified prior to posting as final. Experts in remote web-based science labs who are also science faculty worked together to define the web-enabled interface design used by students to perform the lab activity via the Internet and created the lab setup (robotics, scientific equipment, and items needed to complete the lab activity) testing it with lab technicians and others prior to launching the final lab activity.
Quality of Subject Matter was assured by:
  • Consultations during development of instructional materials
Quality of Online/Hybrid Course Design assured by:
  • None
Course Note:
Second level General Chemistry with lab and Survey of Chemistry

Copyright / Licensing

Primary License:
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
 

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