special criteria for, 246 spectral regions for, 248, 249, 250 with EZ OMNIC, 251 with search expert, 247 selecting, 272 selecting for search, 244 spectra deleting, 289 printing list of, 287, 289 spectral range, 273 displaying, 283 spectrum adding to spectral window, 285 displaying, 275 displaying information for, 290 drawing chemical structure for, 285 finding by searching for text, 280 information, 283 printing information for, 288 selecting, 273 type, 283 viewing in EZ OMNIC, 288 Y-axis unit, 283 zero filling, 273 Library Manager, 268 default directory for, 76 how to use, 286 library matches, 260 Library Setup, 243 default directory for, 76 how to use, 252, 255 parameters set by selecting experiment, 112 line thickness for displaying spectra, 79 for printing spectra, 85 when printing colors as patterns, 85 linear algorithm for correcting baseline, 200 live display, 121, 141 expanding or contracting, 122 single-beam spectrum in, 122 locked pane, 42, 44 locking pane, 42 log closing, 65 default directory for opening and saving, 76 deleting, 67 deleting spectrum from, 65 extension, 65 font for displaying, 82 list of found peaks added to, 238 noise measurement added to, 239 opening, 64 opening with programs, 66 pasting spectrum into, 65, 66, 71 printer used to print, 67 printing, 66, 67, 85 recording information in, 64 saved as text file, 65 saving as text file or rich text format (RTF) file, 77 saving spectra in, 77 log (1/R) final format, 117 log (1/R) units as X-axis units, 190 converting spectrum to, 190 defined, 191 Log In, 61 how to use, 61 log window, 64, 65 saving contents of as text file or rich text format (RTF) file, 77 logging in, 61 enabling, 63 long filenames, 9 low pass filter, 139 collecting background spectrum after changing, 155 m macro adding to menu, 105 creating toolbar button for, 109 default directory for opening or saving, 76 Magna-IR spectrometer aperture for, 124 map file default directory for operations involving, 76 margins for paper preprinted with grid, 85 for printing, 85 report, 85 report template, 296 Match Scale, 177 how to use, 178 Match Spectrum Settings, 146 how to use, 146 match value, 248, 257, 259 Mattson file type extension for, 48, 77 Maximize button, 14, 16 MCT detector, 125 aperture for, 124 cutoff frequency, 208 icing, 134 memory, 68 menu adding item to, 104 customizing, 103 deleting item from, 105 editing item in, 105 set up by configuration, 58 menu bar, 13 menus hiding all, 106 merging libraries, 273 metafile saving spectrum as, 54 method default directory for opening, 76 quantitative analysis, 233, 293 method file extension, 293 330 Thermo Nicolet
micrometer as X-axis unit, 17, 170, 192 converting spectrum to, 192 microscope, 125 mode, 148 Minimize button, 14, 16 mirror velocity, 123 mixture spectrum removing spectral features due to pure component from, 212 removing spectral features due to solvent from, 212 spectral region of to search, 258 More button, 151, 157 moving label, 39 report template item, 302 report template item to back, 304 sampling information, 39 spectrum into pane, 26 into spectral window, 26 up or down within pane, 26 moving mirror velocity, 123 in sampling information, 172 Multiply, 224 how to use, 224 multiplying spectrum, 224, 225 n nanometer as X-axis unit, 171, 193 converting spectrum to, 193 near-IR experiment spectral range, 140 near-IR spectrum displaying in nanometers, 193 New Notebook, 309 how to use, 309 New Window, 319 how to use, 319 Nexus spectrometer aperture for, 124 Nicolet SX/DX file type extension for, 48, 77 Nic-Plan, 148 noise, 123 affected by aperture, 124 affected by number of scans, 115 and finding peaks, 235, 237 factors affecting, 238 filter for, 139, 140 in derivatives, 223 in totally absorbing peaks, 131 library search affected by, 262 library spectra checked for, 283 lower for single-sided interferograms, 140 measuring, 238 during data collection, 149, 156 reprocessing spectrum to improve, 196 smoothing peaks of, 218, 220 Noise, 238 how to use, 238 Normalize Frequency, 228 how to use, 229 Normalize Scale, 229 how to use, 232 normalizing frequency, 228 automatically, 77 automatically when spectrum collected, 88 for quantitative analysis, 88, 229 Y-axis, 229 Norton-Beer apodization, 138 notebook, 311 adding report to, 310 requiring digital signature for, 102 creating, 309 displaying, 312 displaying report in, 316 reports in, 313 searching for text, 314 number of data points, 49 affected by sample spacing, 138 number of resolution points in CSV text file, 51 number of scans for collecting spectrum, 115 in CSV text file, 51 included in printed information, 84 shown in report, 298 number of spectra in library, 283 number of transform points in CSV text file, 51 o Offset Scale, 178 how to use, 180 OH stretch regions, 131 OMNIC affected by memory, 68 customizing, 73, 103 display features, 13 exiting, 68 EZ OMNIC version, 2 Help, 9, 11 installing configuring system after, 144 logging into, 4, 61, 63 logo, 4 menus, 13 customizing, 103 set up by configuration, 58 security, 4 set at startup by configuration, 4 shortcut creating, 4 starting, 3, 4 with log-in feature off, 5, 63 with log-in feature on, 4, 63 startup, 4 user name, 62 OMNIC User’s <strong>Guide</strong> 331
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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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3. Click the name of the user libra
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A copy of the spectrum is placed in
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• 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
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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
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- Page 332 and 333: atmospheric effects suppressing, 94
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- Page 344 and 345: Process options, 90 Protégé spect
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- Page 348 and 349: detector, 127 filter for, 139 for c
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