Agilent Technologies 7500 ICP-MS Operator's Manual page 147

Agilent 7500 ICP-MS ChemStation Operator's Manual
Tuning
Typical values of Tuning Parameters in the Standard Mode
(with ShieldTorch, Micro Flow Nebulizer, self-aspiration)
Parameter
RF Power (W)
Sampling Depth (mm)
Carrier Gas (L/min)
Makeup Gas (L/min)
PeriPump 1 (rps)
ºC
S/C temp ( )
Extract 1 (V)
Extract 2 (V)
Omega Bias-cs (V)
Omega Lens-cs (V)
Cell Entrance (V)
QP Focus (V)
Cell Exit (V)
OctP RF (V)
OctPBias (V)
QP Bias (V)
Typical values of Sensitivity (Standard Mode)
Mass
Integration time = 0.1 sec.
7
Li
89
Y
205
Tl
Typical Value
1500
8
0.8
0.45
0.1
2
5.4
-100
-32
8.6
-26
2
-30
150
-6
-3
Count/1 ppb
> 4000
>12500
>6000
Adjustment
Normally used 1500
7 to 10
0.6 to 1.0
0.3 to 0.7
ºC
Normally used at 2
4 to 8
-150 to -60
-45 to -25
5 to 10
-40 to -20
-2 to 5
-45 to -20
100 to 200
-12 to -6
-5 to -3
RSD
< 15%
< 15%
< 15%
4-71