G7200-90210 (Rev. A) MassHunter Workstation Quick Start Guide 9
2 If the desired sensitivity is not achieved, select Autotune from Tume menu.
Refer to the Help and execute Autotune.
3 After completing autotune, check the sensitivity parameters on the ICP- MS
Tuning - Sensitivity window.
4 Save the tune file by selecting Save from the File menu. In general you will
want to overwrite the tune file that was open, so that it has the updated
values.
5 (optional) Generate a tune report by selecting Generate Report from the
File menu. Enter optional comments if desired and click OK. A report
showing the following information is sent to your printer:
• Sensitivity data
• Resolution/Axis data
• Lens parameter settings
Depending on how your system is configured, tuning results will also be
recorded in the maintenance log.
Tip You can also get a hard copy of current tune parameters by clicking the
Stop button and selecting Print from the File menu.
Table 1 Typical Sensitivity Values (For 7700x)
Mass Sensitivity (cps/ppb)
No Gas Mode He Gas Mode
(3.6ml/min)
H
2
Gas Mode
(4.0ml/min)
7
Li 30,000 --- ---
59
Co --- 24,000 ---
89
Y 100,000 --- 60,000
205
Tl 60,000 --- ---
Oxide ratio ≤ 1.5% (≤2% for MicroFlow Nebulizer)
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