Where can I buy the substances used in the Mini GC lab manual?
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Flinn Scientific recently started selling a kit which contains all the organic solvents necessary for our GC experiments. It is on page 74 of their 2011 catalog, Organic Solvents for GC Analysis Kit, Catalog No. AP7480.
All of the substances used in the Mini GC lab manual can also be purchased from a chemical supply company, such as Sigma Aldrich.
The table below lists the substances and their CAS numbers.
| Substance1 | Experiment | CAS No.2 | Flinn | Sigma |
|---|---|---|---|---|
| acetone | 1 – 5 | 67-64-1 | yes | yes |
| 2-butanone, or methyl ethyl ketone | 1, 5 | 78-93-3 | yes | yes |
| 2-pentanone | 1, 5 | 107-87-9 | no | yes | 2-hexanone | 1, 5 | 591-78-6 | no | yes |
| 4-methyl-2-pentanone | 1, 5 | 108-10-1 | yes | yes |
| ethyl acetate | 2 – 5 | 141-78-6 | yes | yes |
| ethanol, 95% | 2 | 64-17-5 | yes | yes |
| glacial acetic acid | 2 | 64-19-7 | yes | yes |
| butyl acetate | 3 – 5 | 123-86-4 | yes | yes |
| methanol | 5 | 67-56-1 | yes | yes |
| propyl acetate | 5 | 109-60-4 | yes | yes |
- With the exception of 95% ethanol, all the substances listed above should be reagent grade or analytical grade, containing no water.
- The CAS number is a registry identification number for a compound. It is compiled and maintained by CAS, a division of the American Chemical Society.
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