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Functional Description
API Source _________________________________________________________________
1-12
___________________ LCQ Deca XP Plus Hardware Manual ________________
Figure 1-6.
Geometry of the APCI probe and the API stack.
ION
TRANSFER
CAPILLARY
PRESSURE
= 1 TORR
+10 V
CORONA
DISCHARGE
NEEDLE
(+3 TO +5 kV)
VAPORIZER
TUBE
(500°C)
ATMOSPHERIC
PRESSURE
REGION
ION
SWEEP
CONE
SHEATH
GAS TUBE
(OUTER)
AUXILIARY
GAS
SAMPLE
TUBE
(INNER)
S S
S
S
S
S S
S
S
M
M
(M+H)
H O
+
+
3
e
-
e
-
+++
+++
N +
2
N +
2
N e
+ -
2
N e
+ -
2
H O
2
M
M
M
M
M
CORONA
DISCHARGE
NEEDLE
(+3 TO +5 kV)
CORONA
DISCHARGE
REGION
(PLASMA)
H20+
H20+
H20+
CHEMICAL
IONIZATION
H20+
H20
Summary of Contents for LCQ Deca XP Plus
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