FTIR Spectral LibraryFTIR Spectral Library

Alyson Sagle

SoftwareSoftware

• Aldrich FTIR Library and Spectral Viewer• Over 11,000 compounds• Contains additional physical data• Currently installed on computer next to IR• Can install on personal computer

To Use:To Use:

1. Open program via programs folder or click on AldSpec icon

2. Select “Tutorial” button if you wish, otherwise wait for main screen to open

3. To find a specific compound select Search button3. To find a specific compound select Search button

4. Enter compound and select “Execute” when ready4. Enter compound and select “Execute” when ready

•Chemical names must be entered using IUPAC nomenclature

•May be easier to enter formula

•This example I needed to write “1,3-phenylene diamine”

5. Select desired compound5. Select desired compound

6. Contains physical data for compound6. Contains physical data for compound

7. Change to Absorbance mode by selecting “7. Change to Absorbance mode by selecting “TrTr” ” buttonbutton

8. Label peaks by selecting “Label” button8. Label peaks by selecting “Label” button

9. Use tool bar to label peaks9. Use tool bar to label peaks

Automatically labels peaks above a minimum height

Sets minimum height of peaks to be labeled

Clears peak labels

Options for controlling noise level

Gives table of labeled peaks

10. Can zoom in on one area by clicking the left 10. Can zoom in on one area by clicking the left mouse button and highlighting desired areamouse button and highlighting desired area

11. Using Spectra11. Using Spectra

• Can copy or print spectra using copy and print icons

1602.6

1589.1

1496.5

1465.6

1195.6

1159.0

840.8781.0

721.2

688.5

0.0

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0.3

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0.5

0.6

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FTIRNUJOL

ALL RIGHTS RESERVED© Sigma-Aldrich Co.

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Wavenumbers (cm-1)

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