status of, 148 time for, 115, 116, 123 units for, 116 velocity for, 123 viewing preliminary data before, 118 when to collect background spectrum for, 119 window material for, 126 Y-axis unit during, 17 zero filling for, 137 water and carbon dioxide reference spectrum, 93 water reference spectrum, 92 collection and processing information copying, 71 copying and pasting, 22 displaying, 20 font for, 82 editing, 21 printing, 22 font for, 86 Collection And Processing Information window, 20 collection information adding to report template, 298 searching reports for, 315 color annotation, 80 axis label, 80 for windows and dialog boxes, 81 label, 80 pane background, 81 sampling information, 80 selected spectrum, 16, 23 spectrum, 16, 79, 173 title bar, 16 colors for displaying items on screen, 80 printing as patterns, 85 VGA, 80 command choosing, 13 creating toolbar button for, 106 disabling, 104 enabling, 104 enabling, disabling, hiding, adding or deleting from menu, 103 hiding, 104 comments adding to report template, 298 editing in Collection and Processing Information window, 21 in sampling information, 100, 172 library, 283 QC comparison, 268 printing, 268 search expert, 257, 259 printing, 262 Common Scale, 177 how to use, 177 company name in sampling information, 100, 172 component subtracting, 216 compound entry library spectrum, 284 compound name library spectrum, 284 compound type library spectrum, 266, 276, 284 compressing user library, 274 configuration default, 5, 60 deleting, 5, 67 directory location, 102 example, 58 loaded after logging in, 61 opening, 58 default directory for, 76 options saved in, 73 password, 4, 59, 60, 62, 63, 103, 106 prompting before overwriting, 77 saving, 59, 106 default directory for, 76 requiring digital signature for, 102 selecting, 63 signing, 56 toolbar in, 106 Configure Bench button, 143 configuring system, 143 constant adding to or subtracting from spectrum, 225 contaminant identifying, 213 subtracting, 216 contamination checking background spectra for, 134 checking current background spectrum for, 158 context-sensitive Help, 10 Continuµm, 148 Continue button, 150, 157 contour map adding to report template, 299 controlled system, 8 converting spectrum to % reflectance, 190 to % transmittance, 187 to absorbance, 186 to first or second derivative, 222 to Kubelka-Munk units, 188 to log (1/R) units, 190 to photoacoustic units, 189 cooled detector, 125 aperture for, 124 icing, 134 Copy, 70 how to use, 70 copying collection and processing information, 22, 71 list of found peaks, 236 spectrum, text or image, 70 corrected peak height measuring, 33 324 Thermo Nicolet
correcting baseline algorithm for, 200 automatically, 204 benefits of, 199 manually, 197 spectrum, 117 for carbon dioxide, 206 for optical dispersion, 205 for variation in depth of penetration, 205 for water, 206 for water or carbon dioxide, 92 correction reprocessing spectrum to change, 196 correlation library search, 248 Create Library, 291 CSV (comma-separated values) file type saving spectrum as, 54 CSV text file opening, 48 CSV Text file type extension for, 48 cubic polynomial algorithm for correcting baseline, 200 current background spectrum checking for accessory, 135 defined, 156 displaying, 158 Custom Accessory, 126 custom information in report template, 298 customizing menu, 103 OMNIC, 73 Cut, 69 how to use, 70 cutting spectrum, image or text, 69 stacked spectrum, 70 d data collection, 148 data points number of in CSV text file, 49 data security, 5 options, 101 data spacing background spectrum, 153 changing, 220 defined, 220 for collecting spectrum, 115 for converting to wavenumbers, micrometers or nanometers, 194 reference spectrum, 92 reprocessing spectrum to match, 195 date and time adding to report template, 297 collection adding to report template, 298 in sampling information, 100, 172 spectrum titled with, 89 date of collection included in printed information, 84 DDE command adding to menu, 105 creating toolbar button for, 109 DDE parameter adding to report template, 299 searching reports for, 315 de Haseth/VCD phase correction, 139 decimal places in labels, 79 default configuration, 60 default directories, 75 default experiment, 114, 146 Delete Annotation, 73 how to use, 73 Delete Files, 67 how to use, 68 deleting annotation, 73 selecting annotation before, 27 configuration, 5, 67 experiment, 67 file, 67 item from menu, 105 label from spectrum, 39 library, 279 log, 67 page from report template, 305 report template item, 302 spectral region, 207 spectrum, 67, 72 from user library, 274, 278, 289 using Delete key, 72 stacked spectrum, 72 toolbar button or space, 107 demountable liquid cell, 132 derivative converting spectrum to, 222 Derivative, 222 how to use, 223 derivative peaks blanking, 208 checking sample spectra for, 132 deselecting spectrum, 18, 24 desiccant checking, 142 detector aperture for, 123, 124 background spectrum affected by, 155 collecting background spectrum after changing, 155 configuring system after installing, 144 for collecting spectra, 125 icing, 134 maximizing signal from, 143 saturation, 124 selecting, 147 spectral range, 127, 134 type, 148 in sampling information, 100, 172 shown in report, 298 warm, 14 OMNIC User’s <strong>Guide</strong> 325
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The information in this publication
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Peak area tool.....................
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Checking spectrometer performance a
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Process............................
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Selecting, editing or creating a re
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How to use this manual This manual
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• If you do not have the DS optio
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Note If you have the DS option, you
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Digital signature information in a
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There are several ways to enter the
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Note Some tutorials are available o
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Note If you are using Windows 2000
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Panes A pane is an area of the spec
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Displaying a list of spectrum title
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Displaying a different spectral reg
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Copying information to the Clipboar
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Note You can select all the display
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Next, hold down the Shift key and c
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Region tool Some OMNIC commands can
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You can position the annotation tex
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You can position the annotation by
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2. Click the Annotate button to the
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The corrected area is bordered by t
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2. Edit the label text if desired.
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Overlaying spectra lets you see sig
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When you hide a stacked spectrum, a
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If a pane containing a spectrum is
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46 Thermo Nicolet
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File Type Extension Comments Spectr
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The settings available in the Y Uni
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If Put Opened Spectrum In New Windo
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3. If the Save As dialog box appear
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2. Choose Save Group from the File
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2. Locate and select the desired fi
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Save a configuration This procedure
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A dialog box appears. 2. Type a use
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Note The Enable OMNIC Log-In comman
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Note If a spectrum has been pasted
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Delete files 1. Choose Delete Files
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When you cut a displayed stacked sp
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Pasting duplicate images of spectra
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Note The options you set using Opti
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File Type Initial Spectra Initial E
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Normalize the spectra of standards
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In the upper-left corner of the dia
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Type Annotation Axis Labels Axis Nu
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Specifying how to print axes The op
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Text Type Annotation Axis Labels Ax
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Note If you have turned off Prompt
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Setting Smart Purge The Smart Purge
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Specifying how to list peaks found
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4. Collect a sample spectrum with n
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To specify or do this... The X-axis
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Turn on Display All Annotation if y
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Item Company Name Spectrum Title Da
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Preventing the overwriting of files
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State Enabled Disabled Hidden Descr
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6. If you disabled or hid the Save
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5. Specify the size of the toolbar
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Note You can create an image for a
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The experiment you select also sets
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Note The experiment you select also
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Note If you are studying samples th
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When deciding whether to use this f
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Titling the experiment Bench featur
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The peak-to-peak intensity is the s
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• It helps prevent infrared energ
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Specifying the beamsplitter type If
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The parameter checks appear when yo
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The individual checks are described
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Fringes result when back reflection
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A beamsplitter, detector, source or
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Type the desired minimum peak-to-pe
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Setting Boxcar N-B* Weak N-B* Mediu
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As an example, for a standard DTGS
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If you have installed a Smart Acces
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• Install a 32-bit version of OMN
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• To save the settings in the cur
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The positive settings move your vie
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What happens during collection? The
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3. Choose Collect Sample from the C
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Note To store the spectrum on the h
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Viewing the age of the background D
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If Preview Data Collection is turne
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If at any time the system condition
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Undo a display limit change Choose
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To specify this or do this... The n
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To remove the grid from a spectral
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Note You can display annotations ve
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This format is suitable for high re
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Specifying the sampling information
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Stacked spectra Stacking spectra is
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Full Scale brings the highest data
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Match the Y-axis scale of a spectru
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Display spectra vertically offset 1
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Display spectra full scale automati
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Displaying and using a toolbar Use
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Converting spectra to absorbance Us
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The units are described in the next
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The photoacoustic value (PAS) at a
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Micrometers Select Micrometers to c
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4. Choose OK. • If you selected K
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• To change the final format. You
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What is a baseline? A baseline cons
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Important Be careful not to introdu
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The X and Y values of the point app
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8. When you are finished correcting
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Before searching an ATR spectrum ag
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• A spectrum includes the region
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Replacing a spectral region with a
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Subtracting spectra Use Subtract in
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2. Choose Subtract from the Process
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Subtracting a component or contamin
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Note If negative peaks appear in th
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3. Select the desired number of smo
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Converting spectra to their first o
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Multiplying a spectrum by a number
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Symbol Meaning Examples / Divide. A
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• To change the factor using the
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Here is the normalized spectrum: In
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Normalize the scale of spectra 1. S
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Example libraries The following sec
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Click the Print button in the Find
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6. To display or remove the Y-axis
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3. Choose Average from the Process
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Range of Y values versus X value Pe
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4. If you are not using the search
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Using extended search The Extended
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When you perform the search, the ex
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All the QC libraries and library gr
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Set up a spectral search (The proce
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7. Specify the number of found libr
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5. Specify the spectral regions to
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Search a spectral library 1. Use Li
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If you did not use the search exper
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To print the search expert’s comm
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Color-coded titles of the spectrum
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To print the spectrum and functiona
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You can choose Overlay Spectra from
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Working with libraries Click the Li
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Once a library is created, you can
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- Page 288 and 289: • If you are adding more than one
- Page 290 and 291: 3. Click the name of the library. T
- Page 292 and 293: 9. Choose Search. The search result
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- Page 296 and 297: 2. Click the Create/Edit Structures
- Page 298 and 299: If you want to print the informatio
- Page 300 and 301: When you are ready to start printin
- Page 302 and 303: You can only add the spectrum to a
- Page 304 and 305: 3. If you want to reset the data co
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- Page 310 and 311: 3. Specify the item type by selecti
- Page 312 and 313: 5. Choose Preview/Print Report from
- Page 314 and 315: 4. If the item type is Spectral Win
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- Page 318 and 319: 7. Close the Report Template window
- Page 320 and 321: Adding a report to a notebook Use A
- Page 322 and 323: To view a report notebook, use View
- Page 324 and 325: Searching for text Click the Search
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- Page 328 and 329: 5. To search for reports that conta
- Page 330 and 331: Note When windows are tiled, they m
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- Page 336 and 337: detector interface kit, 123 detecto
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- Page 342 and 343: OMNIC Atlµs default directory, 76
- Page 344 and 345: Process options, 90 Protégé spect
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