chemlab2b - Aspirin Analysis Submission Date Bench Number...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Aspirin Analysis Submission Date: 11/16/2006 Bench Number: F3-4 Student Name: Michele Ribeiro E-mail Adress: [email protected]ns.edu TA name: Svetlena Pavlukh Abstract This experiment was performed to establish the purity of aspirin. It was revealed in the calculations that the purity of the aspirin was 93%. The percent yield of the aspirin was 26.6 % which was the amount obtained in the chemical reaction. Keywords Phenololphthalein, Aspirin, Salicylic Acid, Crystallization, Re-crystallization, Percent Purity, Titration, NaOH Introduction Pure aspirin is both an organic ester and an organic acid. It is used as a painkiller and a fever-reducing drug. Aspirin is prepared by reacting salicylic acid with acetic anhydride. Aspirin, like many other organic acids, is a weak monoprotic acid. The purity of an aspirin sample can be determined from its melting point or through an acid-base titration Materials and Methods The chemicals involved in this experiment were Sodium Hydroxide (0.1 M NaOH), potassium hydrogen phthalate (KHP), ethanol (CH
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 3

chemlab2b - Aspirin Analysis Submission Date Bench Number...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online