FT-IR (Nicolet)

Model

Thermo Nicolet Nexus 470 FT-IR

User manual : http://mmrc.caltech.edu/FTIR/Nicolet/Nicolet%20Software/Nicolet%202/4700_6700_User.pdf

Operating Instructions

Solid Samples

• Open OMNIC software
• Clean the instrument with ethanol and a KimWipe
• Collect background data with laser screwed down (Col Bkg)
• Place sample and screw down the laser
• Col Sample (Col Sam)
• Delete background data by clicking on the background spectrum and hitting the "Clear" Button
• Save sample as a .csv file onto a flash drive; our instrument doesn't have internet

~OR page 30-36 on the user manual~

Air samples

• Set up the air tube for the FTIR
• Collect background of the air in the air tube (Col Bkg)
• Vent out air and allow the air sample to enter the tube
• Collect sample (Col Sam)
• Delete background data by clicking on the background spectrum and hitting the "Clear" Button
• Save sample as a .csv file onto a flash drive; our instrument doesn't have internet

Downloading Data Files

• Download the .csv
• Load waves into Igor
• Create a graph
• Right click on the x axis numbers and hit swap to make the spectra look identical to the computer's right after the sample was collected

Example Spectra

FT-IR:Vinyl Spectrum

FT-IR:Polypropylene Spectrum

FT-IR:Polymethylmethacrylate Spectrum

FT-IR:Polyethylene terephthalate Spectrum

Links to manufacturer: http://www.gmi-inc.com/thermo-nicolet-nexus-470-ftir.html

Other links of interest

FTIR instrument

FTIR_cheatsheet