AP Chemistry Kit 17 - Thin-Layer Chromatography

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Aldon® Innovating Science™ AP Chemistry kits offer cutting-edge science for the classroom! This kit helps science teachers teach science without the need for a lot of laboratory preparation. Enough materials for 15 setups. Includes teacher’s and student’s guides. Grades 9-12.

Chromatography is an analytical tool used to separate similar compounds. Thin-Layer Chromatography utilizes a sheet coated with silica gel. The samples are applied to the silica gel sheet and separated by migrating an appropriate solvent up the sheet. This type of separation is called adsorption chromatography because the separation of similar compounds is based on the selective adsorption of the compounds on the silica gel solid phase.

In this lab, samples of various plant leaf material may be extracted or the red and green leaf extracts included may be used. The samples of extracted leaf pigments are applied to a silica gel sheet and separated using a mixture of organic solvents.

Kit includes:
• 2 x 10 g - Alfalfa Powder
• 2 x 25 ml - Red extract UN1219
• Pkg. of 15 - Chromatography TLC sheets
• 6 x 250 ml - Chromatography solvent UN1230
• 2 x 50 ml - Isopropyl alcohol 70% UN1219

*NOTE: This item can only be shipped via Ground Service.