Agilent Technologies 7500 ICP-MS Operator's Manual page 246

2 Install the shield plate
3 Remove mass 40 AMU as one of the Prohibit masses at Configuration window
C A U T I O N
4 Ignite plasma
5 Tuning
Agilent 7500 ICP-MS ChemStation Operator's Manual
Creating a Method
Refer to pages 1-12 to 1-16 in "Agilent 7500 ICP-MS Option Instruction Manual"
about shield torch installation.
when you need to measure
Click Configuration Icon
Delete 40 from Prohibited Masses
Click Save
When you are no longer using the Shield Torch, reset mass 40 AMU in the Prohibited
Masses to prevent potentioal detector damage from the high 40 AMU signal in
normal plasma.
Refer to page from 3-9 to 3-11 in "Agilent 7500 ICP-MS Hardware Manual".
When changing to Analysis Mode is completed, Click Tune button in ICP-MS Top
Window.
Tune for cool plasma and hot plasma conditions, save individual files for each
5-54
40
Ca.