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【求助】GCMS初学者求助如何做测试方法，GC及MS中的参数根据什么来填写的？

zhoujingjp

2008/10/09

气质联用（GCMS）

gc及MS中的参数根据什么来填写的？谁有没有一些资料让我看一下？
Control Information
------- -----------
Sample Inlet : gc
Injection Source : gc/ALS
Injection Location : ALS
Use MS : Yes

=============================================================================
6890 gc METHOD
=============================================================================

OVEN
Initial temp: 40 'C (On) Maximum temp: 300 'C
Initial time: 5.00 min Equilibration time: 0.50 min
Ramps:
# Rate Final temp Final time
1 5.00 290 10.00
2 0.0(Off)
Post temp: 300 'C
Post time: 5.00 min
Run time: 65.00 min

FRONT INLET (SPLIT/SPLITLESS) BACK INLET (SPLIT/SPLITLESS)
Mode: Splitless Mode: Split
Initial temp: 240 'C (On) Initial temp: 50 'C (Off)
Pressure: 7.04 psi (On) Pressure: 0.00 psi (Off)
Purge flow: 50.0 mL/min Total flow: 45.0 mL/min
Purge time: 2.00 min Gas saver: Off
Total flow: 53.9 mL/min Gas type: Helium
Gas saver: On
Saver flow: 20.0 mL/min
Saver time: 3.00 min
Gas type: Helium

COLUMN 1 COLUMN 2
Capillary Column (not installed)
Model Number: Agilent DB-35ms
DB-35ms
Max temperature: 340 'C
Nominal length: 30.0 m
Nominal diameter: 250.00 um
Nominal film thickness: 0.25 um
Mode: constant flow
Initial flow: 1.0 mL/min
Nominal init pressure: 7.05 psi
Average velocity: 36 cm/sec
Inlet: Front Inlet
Outlet: MSD
Outlet pressure: vacuum

FRONT DETECTOR (NO DET) BACK DETECTOR (NO DET)

SIGNAL 1 SIGNAL 2
Data rate: 20 Hz Data rate: 20 Hz
Type: test plot Type: test plot
Save Data: Off Save Data: Off
Zero: 0.0 (Off) Zero: 0.0 (Off)
Range: 0 Range: 0
Fast Peaks: Off Fast Peaks: Off
Attenuation: 0 Attenuation: 0

COLUMN COMP 1 COLUMN COMP 2
(No Detectors Installed) (No Detectors Installed)

THERMAL AUX 2
Use: MSD Transfer Line Heater
Description:
Initial temp: 280 'C (On)
Initial time: 0.00 min
# Rate Final temp Final time
1 0.0(Off)

POST RUN
Post Time: 5.00 min
Oven Temperature: 300 'C
Column 1 Flow: 1.0 mL/min

TIME TABLE
Time Specifier Parameter & Setpoint

gc Injector

Front Injector:
Sample Washes 3
Sample Pumps 6
Injection Volume 1.00 microliters
Syringe Size 10.0 microliters
PreInj Solvent A Washes 0
PreInj Solvent B Washes 2
PostInj Solvent A Washes 0
PostInj Solvent B Washes 3
Viscosity Delay 0 seconds
Plunger Speed Fast
PreInjection Dwell 0.00 minutes
PostInjection Dwell 0.00 minutes

Back Injector:
No parameters specified

Column 1 Inventory Number : DB-35ms
Column 2 Inventory Number :

MS ACQUISITION PARAMETERS

General Information
------- -----------

Tune File : atune.u
Acquistion Mode : Scan

MS Information
-- -----------

Solvent Delay : 4.00 min

EM Absolute : True
Resulting EM Voltage : 1200.0

[Scan Parameters]

Low Mass : 35.0
High Mass : 450.0
Threshold : 150
Sample # : 2 A/D Samples 4
Plot 2 low mass : 50.0
Plot 2 high mass : 550.0

[MSZones]

MS Quad : 150 C maximum 200 C
MS Source : 230 C maximum 250 C

END OF MS ACQUISITION PARAMETERS

TUNE PARAMETERS for SN:
-----------------------------

EMISSION : 34.610
ENERGY : 69.922
REPELLER : 24.092
IONFOCUS : 86.361
ENTRANCE_LE : 28.500
EMVOLTS : 1529.412
AMUGAIN : 2147.000
AMUOFFSET : 128.000
FILAMENT : 1.000
DCPOLARITY : 1.000
ENTLENSOFFS : 17.067
MASSGAIN : 40.000
MASSOFFSET : -10.000

相关话题

高山流水

第1楼2008/10/10

不分流进样Purge time一般为0.75min，不宜太长，易造成峰拖尾。
zhoujingjp 发表:GC及MS中的参数根据什么来填写的？谁有没有一些资料让我看一下？
FRONT INLET (SPLIT/SPLITLESS) BACK INLET (SPLIT/SPLITLESS)
Mode: Splitless Mode: Split
Initial temp: 240 'C (On) Initial temp: 50 'C (Off)
Pressure: 7.04 psi (On) Pressure: 0.00 psi (Off)
Purge flow: 50.0 mL/min Total flow: 45.0 mL/min
Purge time: 2.00 min Gas saver: Off
Total flow: 53.9 mL/min Gas type: Helium
Gas saver: On
Saver flow: 20.0 mL/min
Saver time: 3.00 min
Gas type: Helium

0

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