8 G7200-90210 (Rev. A) MassHunter Workstation Quick Start Guide
Operating Method
When performing plasma adjustment, use a 1pbb tuning solution containing
Ce. The following explains the method, refer to the online help.
Settings for Preset Mode
Select the nebulizer and tuning type, and set to the Preset mode. Under the
Preset mode, parameters such as RF power, sampling position, carrier gas flow
rate, makeup gas flow rate, and nebulizer pump speed are fixed to the preset
values.
1 In the Tuning window, select Preset Plasma >> Select Plasma.
The Plasma Select dialog appears.
2 Check the Preset Mode box.
3 Select the type of nebulizer to be used from the drop- down menu (For
7700x).
4 Select Robust or one of the 3 levels of Ultra Robust (For 7700x). Select Hot
Plasma (For 7700s).
If the matrix concentration exceeds 1%, select Ultra Robust- Level: High (if
the desired sensitivity is not achieved, select Level Medium or Low).
5 Click OK.
The Tuning window becomes active.
Checking the Tuning
Check the tuning as follows:
1 Check the each parameters:
• Open the last- used tuning file (typically nogas.u, h2.u or he.u).
• Select Acquisition Parameters from the Acq. Params menu. Set the mass
numbers to be measured as 7 (Li), 89 (Y), 205 (Tl), and 156/140 (Ce oxide
formation rate) and click OK.
• Check the following values displayed on the Tuning window:
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