Separation of Pain Reliever Components

Separation of Pain Reliever Components - Separation of Pain...

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

View Full Document Right Arrow Icon
Separation of Pain Reliever Components Chem 3361L/02 Feb 21, 2008 Lauren Tankesley, Maegan Chavez, Amber Langston Purpose: Extract caffeine, phenacetin, and aspirin from an unknown solution using a separatory funnel apparatus by controlling acid base reactions; then, test the properties of the extracted substances through infrared spectrometry and melting point. Data: Table 1: Melting Point of components expected melting point achieved melting point Caffeine 238 ºC 224-227 ºC Phenacetin 135 ºC 207-215 ºC Aspirin 135ºC 125-132.5 ºC Tables: IR Peaks Table 2: Phenacetin peak frequency cm-1 bond 3112.23 C-H 2953.98 C-H 1767.14 C=O Table 3: Aspirin peak frequency cm-1 bond 2955.95 C-H 1750.79 C=O Table 4: Caffeine peak frequency cm-1 bond 3112.01 C-H 2954.85 C-H 1766.37 C=O Table 5: Yield Caffeine .113 g Phenacetin .158 g Aspirin .8 g
Image of page 1

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

View Full Document Right Arrow Icon
Table 6: Reagents molarity In water Density (g/cm 3 ) Hydrochloric acid 3 M soluble 1.066 Magnesium carbonate .5M soluble 2.958 Discussion: The initial, unknown solution was shaken in the separatory funnel with hydrochloric acid, followed by the drawing off of the bottom layer which contained the dichloromethane, aspirin, and phenacetin. The
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern