FT-IR (Nicolet)

From MC Chem Wiki
Revision as of 20:54, 25 February 2016 by Ptun (talk | contribs)
Jump to navigation Jump to search

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_cheatsheet
IR-spectroscopy-Instrumentation