Agilent Technologies 7500 ICP-MS Operator's Manual page 110

N O T E
Agilent 7500 ICP-MS ChemStation Operator's Manual
Tuning
Element
Li (7 amu)
Y (89 amu)
Tl (205 amu)
*Shown on the tuning report.
If the background is compromised, it is easy to increase low mass sensitivity to more
than100 MCPS/ppm. Adjust the Extraction lens1, Extraction lens 2, and Omega(+)
and Omega(-), depending on your purpose.
4-34
Count/ 1 ppb(Integ.: 0.1 sec)
∼
600
>30,000
>20,000
Back ground
(cps, off mass)*
∼
1
∼
1
∼
1