ISQ User Guide - Write Frame of Mind

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7 Optimizing Your Method Modifying an Automatic Tune • Start—Use this field to enter the starting voltage for the tune. The start voltage must always be less than the stop voltage. For example, -35 is smaller than 0. • Stop—Use this field to enter the final voltage for the tune. • Step—Use this field to enter the increment for the tuning range. For example, if you tune from 0-50 in increments of 10 V, then you would set the Step field to 10. • Max Width—Use this field to enter the maximum allowable width of the ion during the tune. • Measure at %—Use this pull-down menu to select the location on the peak at which you want to measure the maximum width. – 10—Select this option to measure the width at 10% of the peak height. – 50—Select this option to measure the width at 50% of the peak height. • Threshold—Use this field to enter the change in intensity that has to occur when the tune to select a new voltage. For example, if you set this field to 1.1, the tune will not select a new voltage for that component, unless the intensity is 110% of the old intensity. If you set this field to 1, anytime the new voltage has an intensity larger than the old intensity, the tune will select the new intensity. • On Error—Use this pull-down menu to select how to handle an error in the tune. – Fail—Select this option to stop the tune when an error occurs. – Continue—Select this option to allow the tune to continue on to the next device when an error occurs. 9. Click the Resolution tab to configure the resolution of your tune. You can tune the resolution during a lens tune or you can tune the resolution by itself. 84 ISQ User Guide Thermo Scientific
7 Optimizing Your Method Modifying an Automatic Tune • Tune Resolution—Select this option to tune the resolution by itself. This resolution will tune the system at 100 and 1000 amu/s scan rates. You may also tune at a higher scan rate. • Mass—Use this pull-down menu to select the ion to be used for tuning. • Peak Width—Use this field to enter the target peak width. • Measure at %—Use this pull-down menu to select the location on the peak at which you want to measure the target peak width. – 10—Select this option to measure the width at 10% of the peak height. – 50—Select this option to measure the width at 50% of the peak height. • Lens Tune Relation—Use this pull-down menu to set the occurrence of the resolution tune parameters before or after a lens tune. – Before and After—Select this option to use the same resolution parameters before and after a lens tune. – Before—Select this option to use the resolution parameters before a lens tune. – After—Select this option to use the resolution parameters after a lens tune. • Tune High Scan Rate—Select this checkbox to tune the resolution at a scan rate in addition to the 100 and 1000 amu/s default scan rates. Thermo Scientific ISQ User Guide 85
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ISQ User Guide 1R120555-0003 Revisi
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Manufacturer: Thermo Fisher Scienti
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WEEE Compliance This product is req
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Contents Thermo Scientific ISQ User
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Preface About Your System This guid
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Related Documentation Preface Relat
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Hydrogen Safety Precautions Preface
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Hydrogen Connection Guidelines Use
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Properly Storing Hydrogen Preface H
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Preface Hydrogen Safety Precautions
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Changing the Column The ISQ ships w
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Replacing the Factory-Installed Col
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15. Perform a column leak check. 1
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j. Repeat the leak check until no l
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i. The following message will indic
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1 Changing the Column Replacing the
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Confirming Your GC/MS System is Wor
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Checking the Vacuum and Temperature
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Tuning the ISQ Tuning will improve
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3 Tuning the ISQ Using ISQ Autotune
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3 Tuning the ISQ Using ISQ Autotune
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9. Click the Print Report button to
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3 Tuning the ISQ Tuning the ISQ wit
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Page 51 and 52:
Creating a Method Once you’ve got
Page 53 and 54: . Configure the Pre-Injection group
Page 55 and 56: 4 Creating a Method b. Set the MS T
Page 57 and 58: 4 Creating a Method At 4 minutes in
Page 59 and 60: 4 Creating a Method • The Filamen
Page 61 and 62: 4 Creating a Method You can select
Page 63 and 64: 4 Creating a Method Finally, if you
Page 65 and 66: If you have a FOCUS GC: 4 Creating
Page 67 and 68: 4 Creating a Method c. Click the Ca
Page 69 and 70: 4 Creating a Method 6. When you are
Page 71 and 72: Running a Sample Preparing Your Sam
Page 73 and 74: 5 Running a Sample Running a Sequen
Page 83 and 84: e. Configure the Run Synchronously
Page 85 and 86: Exploring Your Data Once you have a
Page 87 and 88: 6 Exploring Your Data 5. The chroma
Page 89 and 90: 6 Exploring Your Data 8. Right-clic
Page 91 and 92: 6 Exploring Your Data 12. In this s
Page 93 and 94: 6 Exploring Your Data The full scan
Page 95 and 96: Optimizing Your Method If you did n
Page 97 and 98: Modifying an Automatic Tune 7 Optim
Page 99 and 100: 6. Configure the General tab. • N
Page 101 and 102: 7 Optimizing Your Method Modifying
Page 103: 7 Optimizing Your Method Modifying
Page 107 and 108: 7 Optimizing Your Method Modifying
Page 109 and 110: Troubleshooting This section contai
Page 111 and 112: Investigating Baseline Issues Table
Page 113 and 114: Table 3. Troubleshooting Peak Issue
Page 115 and 116: Table 3. Troubleshooting Peak Issue
Page 117 and 118: Table 4. Troubleshooting Results Is
Page 119 and 120: 8 Troubleshooting Reconfiguring You
Page 125 and 126: 16. Click the Done button to close
Page 127 and 128: Index A acquisition methods, purpos
Page 129 and 130: tune report, 22, 29 tune types addi
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