Thermo Scientific Nicolet iS50 GC-IR User Manual Download | Manualshive

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Nicolet iS50 Spectrometer

iS50 ATR Module

User Guide

269-277500 Revision A

June 2012

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Summary of Contents for Nicolet iS50 GC-IR

Page 1: ...Nicolet iS50 Spectrometer iS50 ATR Module User Guide 269 277500 Revision A June 2012...

Page 2: ...Thermo Fisher Scientific Inc The contents of this document are subject to change without notice All technical information in this document is for reference purposes only System configurations and spe...

Page 3: ...ing with the Nicolet iS50 spectrometer Figure 1 Nicolet iS50 spectrometer with optional iS50 ATR module The iS50 ATR module provides these enhanced features Built in design Push button configuration A...

Page 4: ...cument or Help System This manual uses these conventions for providing safety and other special information Contents Important Features Specifications Compatible Software Operating Precautions Operati...

Page 5: ...a mechanical press used to achieve uniform contact between a solid or powder sample and the ATR crystal up to 267 N or 60 lbs of force The arm swings out of the way for easy access to the sampling ar...

Page 6: ...n Ready for use Off System is not configured for ATR sampling Blinking Optics are reconfiguring Feature Specification Crystal material Diamond Type IIa Crystal shape size Round 2 8 mm 0 11 in diameter...

Page 7: ...st Experiment To improve search results using a transmission reference library use the Advanced ATR Correction feature in OMNIC software For more information refer to the About the Advanced ATR Correc...

Page 8: ...large knob to raise and lower the pressure arm When using the arm to apply pressure to a sample rotate the control knob clockwise until you feel and hear a click At this point the maximum force 267 N...

Page 9: ...screwed on and off while the pressure arm is raised Move the arm to the resting position for easy access The following tip styles are available NOTICE Move the pressure arm away from the sampling area...

Page 10: ...the crystal plate Table 4 Tip styles Tip style Use with Flat The end of this tip is flat which makes it ideal for measuring films and flat plastics as well as tiny shavings and fibers This is a genera...

Page 11: ...or ATR Sampling Your First Experiment This section explains how to configure your ATR workflow and demonstrates how to use the ATR module to analyze a solid and a liquid sample These topics are covere...

Page 12: ...on upper left pane is set to ATR and below that pane is a list of iS50 ATR experiments The selected experiment is highlighted and its associated settings are visible in the dialog box The Touch Point...

Page 13: ...rrect before collecting the spectrum Region Determines the spectral range of the spectrometer that will be used to collect the ATR data The spectral range is defined by the type of source beamsplitter...

Page 14: ...terial by comparing the unknown sample spectrum with each reference spectrum in the selected libraries to find the spectra that most closely match the unknown For more information open OMNIC Help Topi...

Page 15: ...ellow sticky note for this experiment Make sure the sampling plate pressure tower and appropriate tip are installed Remove any previous sample from the sampling area and raise the pressure arm Auto Re...

Page 16: ...path and load its default workflow A message may be displayed while the instrument collects scans to determine stability with the new configuration Note Nothing should be touching the crystal during...

Page 17: ...ystem passed the performance test choose OK If the system failed the test see Troubleshooting 4 If your ATR workflow is not configured follow the steps in the Configuring Your ATR Workflow section to...

Page 18: ...mation For best results the sample should cover the crystal completely b Make sure the pressure arm is in the sampling position c Lower the pressure arm by rotating the pressure control knob clockwise...

Page 19: ...spectrum of a yellow sticky note taken with the iS50 ATR module and the results from a spectral search 11 Raise the pressure arm and remove the sample 12 Clean the sampling plate crystal and pressure...

Page 20: ...ound measurement 1 Press the ATR Touch Point to select the ATR beam path and load its default workflow A message may be displayed while the instrument collects scans to determine stability with the ne...

Page 21: ...failed the test see Troubleshooting 3 If your ATR workflow is not configured follow the steps in the Configuring Your ATR Workflow section to configure it 4 Press the ATR Touch Point again to start th...

Page 22: ...for more information For best results the sample should cover the crystal completely b If the sample material is volatile place the cover from the liquid sampling kit over the sampling area to preven...

Page 23: ...he results from a spectral search Figure 10 Auto report showing an ATR spectrum of isopropanol taken with the iS50 ATR module and the results from a spectral search 10 Remove the sample cover if used...

Page 24: ...tain using the iS50 ATR module Figure 12 Spectrum of isopropanol collected using the iS50 ATR module Note that absorptions from the diamond crystal appear in the sample spectrum as low level noise bet...

Page 25: ...his section describes maintenance routines that you can perform on the ATR module to keep it running efficiently These topics are covered Cleaning the ATR Module HousingCleaning the Crystal Cleaning t...

Page 26: ...ost of the sample 4 Dampen another clean paper napkin with alcohol and use it to wipe the crystal 5 If the sample is oily or viscous place a drop of alcohol on the crystal and wipe it with another cle...

Page 27: ...lift the plate off the assembly Use mild soap and water or if needed alcohol toluene or a similar organic solvent to clean the sampling plate The plate can be disinfected with a mild bleach solution...

Page 28: ...end of the pressure arm support post into the hole in the ATR module housing 3 Align the tip of the pressure arm with the diamond crystal 4 Gently lower the post into the housing 5 Turn the pressure c...

Page 29: ...strength of the interferogram signal displayed on the Bench tab in Experiment Setup when the spectrometer is configured for ATR sampling the ATR crystal may be damaged or broken the seal is broken or...

Page 30: ...s a credit card on the crystal and tighten the pressure control knob If the pressure control knob spins freely or feels loose or stops prematurely contact our local service representative for technica...

Page 31: ...for selected sample location If this message appears after you press the ATR Touch Point the ATR detector electronics board may have failed Contact our local service representative for technical suppo...

Page 32: ...you press the ATR Touch Point the performance test has failed because the instrument failed to collect three consecutive scans that are close to the same size Make sure you see the laser beam through...

Page 33: ...atures 3 operating precautions 5 pressure tower installing or removing 26 sample spectrum described 22 typical 22 sampling plate installing 8 removing 8 solid measuring 14 positioning for measurement...

Page 34: ...ing with Touch Point options 13 experiment your first ATR module 9 experiments ATR module default 10 extended range ATR module 11 F Far IR region ATR module selecting 11 file diagnostics log copying 2...

Page 35: ...etting 12 quantitative analysis method ATR module selecting 12 R range ATR module extending 11 reference libraries selecting for ATR search 12 refractive index diamond ATR crystal 4 diamond ATR sample...

Page 36: ...ypical 22 when to replace 27 spectrum sample ATR module described 22 entering a title 15 19 troubleshooting 28 typical 22 T Threshold option ATR module setting 12 time measurement ATR module setting 1...

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