TLC - Dhara Bhakta CHEM 237-511 Red October 26, 2008 Thin...

This preview shows page 1 out of 1 page.

Dhara BhaktaCHEM 237-511 RedOctober 26, 2008Thin Layer ChromatographyResultsS1- caffeineS6- acetaminophenS2- ibuprofenA- Excedrin (my compound)S3- aspirinB- anacinS4-ibuprofen + caffeineC- alleveS5- naproxen sodiumRf for Hexane: all of them were 0Rf for Ethyl Acetate:S1-.2S6- .5S2- .87A- .786S3- .83B- .828S4-.89C- .823S5- .83Rf for 75% ethyl acetate, 25% hexaneS1- .888S6- .246S2- .944A- .694S3- .690B- .676S4-.069C- .708S5- .764Discussion:The purpose of this lab was to use TLC to determine the probable identity of the major active ingredientsin commercial analgesic preparations. After performing this experiment, I learned that chromatography isone of the most frequently used organic techniques. It is the process of separating a mixture into its
End of preview. Want to read the entire page?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
Yu-ChinLI
Tags
Chromatography, pH, Ethyl acetate, ibuprofen S3 aspirin

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture