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Thermo Scientific

iS50 ATR Module User Guide

33

Index: 

O

ATR module, troubleshooting

  

29

Number of Scans readout

ATR module

  

11

O

operating precautions

ATR module

  

5

P

peaks, sample

ATR module, finding

  

12

pH range

diamond ATR crystal

  

4

pH, sample

range for ATR module

  

4

pressure

ATR module, maximum

  

4

ATR sample, applying

  

6

pressure tip

changing

  

7

storing

  

8

styles and uses

  

8

pressure tower

background measurement position

  

14

installing or removing

  

26

maximum pressure

  

4

solid, applying pressure to

  

16

using

  

6

Preview Auto Report option

ATR module, setting

  

13

Preview Data Collection option

ATR module, setting

  

11

Print Auto Report option

ATR module, setting

  

13

problems, hardware

ATR module

  

27

Q

QCheck option

ATR module, setting

  

12

QCheck Setup

ATR module

  

12

Quantify option

ATR module, setting

  

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 samples

  

9

Region option

ATR module, setting

  

11

reporting options

ATR module, setting

  

13

Resolution option

ATR module, setting

  

11

S

sample

pH range for ATR module

  

4

sample collection

ATR module, previewing

  

11

sample peaks

ATR module, finding

  

12

sample spectrum

ATR module

described

  

22

troubleshooting

  

28

typical

  

22

sample, cover

ATR module, measuring volatile liquids

  

20

sample, liquid

ATR module

measuring

  

18

preparing for measurement

  

20

sample, solid

ATR module

measuring

  

14

positioning for measurement

  

16

sample, unknown

ATR module, identifying

  

12

samples

ATR module, compatible

  

9

sampling plate

ATR module

cleaning

  

25

removing and installing

  

8

sampling zone

ATR module

  

4

scans

ATR module

averaging

  

11

setting

  

11

Search option

ATR module, setting

  

12

Sensitivity option

ATR module, setting

  

12

Содержание Nicolet iS50 GC-IR

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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