How is Column Chromatography Useful?

 

Peter D'Amico

Eleanor Roosevelt High School, Manhattan

 

Summer Research Program for Science Teachers

August 2007

 



Student Learning Outcomes:  

 

Materials:

 

Procedure/Instructional Plan:

 

Preparation Phase/Motivation:

Having not been exposed to chromatography columns, students will get a sneak peek to an advanced form of purification techniques.  Secondly, isolating pigments from spinach is new for students.  The process alone is the motivational tool.

           

            Description of Instructional Procedure:

 

Closure Phase:

            Students will clean their benches and dispose of the chemicals in the proper waste bins.

 

Assessment:

       Students will submit a lab report the following week in order to report their findings.  Some of the questions to be answered: 

 

 

New York State Learning Standards:

 

A: Science as Inquiry- Students should develop the abilities necessary to do and understand scientific inquiry.

B: Students should develop an understanding of investigating the structure and properties of atoms and molecules as well as chemical reactions. 

G1, G2: Science as a human endeavor, Nature of scientific knowledge (respectively).