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GC-MS  Agilent7890 +M7

Product Description
A. Parameter index:
(1) Gas parts:
1) gas column box
① Operating temperature: room temperature for more than 4 ℃ to 450 ℃
② Temperature settings Resolution: 1 ℃
The ③ maximum heating rate: 120 ℃ / min
④ the longest running time: 999.99 minutes
⑤ room temperature changes every 1 ° C column temperature changes: <0.0l ℃
⑥ ★ cooling: 450 ℃ to 50 ℃, <4 minutes
⑦ temperature programmed for 20 bands, 21 platform gradient cooling
2) the heating zone
(1) does not include independent heating zones of the oven: 6
② auxiliary heating maximum temperature: 400 ℃
3) pneumatic control
① multi-channel electronic pressure control (EPC), the channel used for the inlet, detector or auxiliary gas (such as valves, etc.)
② ★ 0.l psi increments to adjust the pressure (accuracy)
③ changes in atmospheric pressure sensors compensate for height or environment
(4) procedures for boost / l flow: order
⑤ with a variety of electronic flow control mode of operation, a constant current, constant voltage, the program up-flow procedures boost the pulse pressure
4) Inlet
① split / splitless capillary column inlet
The ② maximum use temperature of 400 ℃
(3) pressure setting range :0-150psi
④ the total flow setting range :0-200m1 / min, N2,; 0-1000ml/min H2 or He
5) autosampler system
① autosampler: ≥ 16-bit
② autosampler Repeatability: <1%
③ Injection range: 0.1 ~ 50uL
④ the injection volume was linear: ≥ 99%
(2) mass spectrometry detector part:
1) ion source: inert material ion source
2) ionization mode: EI
3) ▲ mass analyzer: four pre-quadrupole mass analyzer with a detachable four pole filter device
4) Vacuum system: greater than or equal to 60L / s turbo-molecular pump
5) The ion source temperature :150-350 ℃
6) Interface temperature range :100-350 ° C
7) quality: at least 1.5-1050 amu
8) Mass axis stability: Better than 0.10 amu/48 hrs
9) Resolution: the number of unit mass resolution
Scanning speed of 10): 10000 amu / s
11) Sensitivity:
① full scan (electron bombardment source EI m/z272): 5 pg OFN (OFN), signal / noise ratio ≥ 150:1;
② selected ion monitoring (electron impact source EI m/z272): 500fg eight fluorine naphthalene signal / noise ratio ≥ 150:1
12) data processing:
Gas chromatography, mass spectrometry, mass spectrometry workstation data transfer between all rely on their own installation of NICs to achieve, with a network communication function can be performed remotely; manual / automatic tuning; operating environment: Windows 2000 or XP; spectral libraries: NIST spectral library; Chinese software systems: divided into instrument control, data acquisition, data processing and spectrum to retrieve the four functional modules.
Two. GC single instrument configuration:
Description Qty Remarks
Mass spectrometry host 1 -
(2) pre-vacuum pump 1 set -
(3) a turbo-molecular pump PFEIFFER-VACUUM is included in the mass spectrometry host
An EI ionization source (4) ion source is included in the MS host
Mass analyzer quadrupole mass analyzer is included in the mass spectrometry host
6. Detector 1 Detech electronic multiplier included in the MS host
7 user manual 1 -
8 control and data processing software (NIST library) 1 set -
Gas chromatography 1 Agilent7890 single split / splitless inlet with EPC
10 chromatography using CD for 1 -
11 Start Kit 1 set including tools, pipes, gas
12 capillary column, a HP-5, 30m x 0.32mm x 0.25um
13 automatic liquid sampler 1 Agilent 7693, 16-bit
14. Supplies package sets containing a small amount of the injection septum, liner and other supplies; If you need to increase, sold separately
15 certificate 1 -