Agilent Technologies 7500 ICP-MS Operator's Manual page 124

Agilent 7500 ICP-MS ChemStation Operator's Manual
Tuning
Typical values of Tuning Parameters in the Standard Mode
(with ShieldTorch, Micro Mist Nebulizer)
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-ce (V)
Omega Lens-ce (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
4-48
Typical Value
1500
8
0.9
0.15
0.1
2
4.0
-140
-22
1.2
-26
2
-30
150
-6
-3
Count/1 ppb
> 2000
>6000
>3000
Adjustment
Normally used 1500
7 to 10
Normally used 0.9
0.1 to 0.3
ºC
Normally used at 2
2 to 6
-140 to -110
-30 to -16
-2 to 3
-40 to -20
-2 to 4
-45 to -20
100 to 200
-12 to -6
-5 to -3
(3V positive than OctP Bias)
RSD
< 15%
< 15%
< 15%