Gas Chromatography Mass Spectrometry-Gas Chromatograph Quadrupole Mass Spectrometer

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    2017-12-29 10:40

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502, Block a, Building 7, International Business Center, Environmental Protection Science and Technology Park, Yuhua District, Changsha, Hunan, China




TRGC-MS4100 Gas chromatography Mass Spectrometry


Uses and Specifications
Chromatography enjoys a high position in today's analytical instruments. Qualitative analysis cannot be conducted with Chromatography alone, because its column has a highly efficient separation capability based on the retention time of the materials and then determine the nature of the material through contrast with that of the samples. However, mass spectrometry can conduct direct determination of the ratio of the mass to the charge ratio (m/z), which is accurate and fast. The combination of chromatography and mass spectrometry is actually using mass spectrometry as a universal detector. There are many detectors of chromatography, such as TCD, FID, ECD, FPD and NPD, etc., each detector has a limited scope of application, which is inconvenient. But as mass spectrometry is universal, it can replace all the other detectors that brings convenience to users. Therefore, the combination of chromatography and mass spectrometry is a integration of the high-efficient separation of the chromatography and accurate identification of the mass spectrometry to unknown samples. This combination can be used wherever that chromatography is applied. Thus it plays a crucial part among the entire analytic instrument.

The chromatography and mass spectrometry instrument is a product that combines the technologies of chromatography, mass spectrometry and computer.

Working Principle
Vacuum chamber must be installed in the instrument to ensure the normal operation of the instrument. It adopts a double-level vacuum unit composed of a high-performance turbo-molecular pump and a fore vacuum pump. Samples are separated by capillary column and then enter into the ion source to generate positive ions with electronic power standard (EI) and then the positive ions will be sent into the quadrupole system with the help of aversion, focus and leading of the electrode. The quadrupole system forms into a high-frequency electric field under the influence of high-frequency voltage combined with the positive and negative voltage. And with the scanning voltage, only those consistent with quadrupole equation ions can reach the ion detector through symmetric center of quadrupole. And then it produces mass spectrometry signals after amplification by ionamplifier. Thus mass spectrometry map can be obtained, through which the composition of unknown samples can be identified. Foreign spectral libraries can be configured, such as NIST, WILEY and DRUG.

Applied Range

  • wherever that a gas chromatography is needed for detection, especially where qualitative analysis is to be conducted on unknown samples
  • Dealing with emergencies such as hazardous materials spills, major environmental disasters
  • Combating with terrorism, drug interdiction and explosives analysis

Main Specifications

  • Mass range: 1.5 ~ 1024amu (0-300,0-500,0-800,1.5-1024, or determined as users' demand
  • Detection limit: 1pg fluorinated naphthalene S / N 100:1
  • Scanning speed: fully adjustable to a maximum 10000amu/sec
  • Ion source: electron bombardment of standard EI source, independent heating system, 120 ~
  • 350 ºC controllable (chemical ionization CI and related interfaces can be offered according to users' needs)
  • Detector: electron multiplier
  • Vacuum system: (standard configuration) 110L / s turbo molecular pump and rotary vane or
  • vacuum pump, users can choose from turbo molecular pumps 70L / S, 150L / S, 240L / s
  • Chromatography configuration: GC-4000A series, injection system can not be split by
  • capillary, automatic air system, AFC, APC automatic control mass flow meter
  • Computer system: all-English data processing system, automatic control of GC-MS working
  • process
  • Direct inlet DIP-P100 (optional): temperature control: room temperature ~ 500 ºC or room
  • temperature ~ 800 ºC two.Cooling gas: nitrogen gas
  • Ambient environment: temperature: 15 ~ 30 ºC, Humidity: 40 ~ 70% (no condensation) Power
  • supply: single phase 220V, 3 kW, carrier gas: He (purity: 99.995% or more)
  • Dimension(mm): 915 (W) X 550 (high) X 610 (D) ; weight: 113 kg.
TRGC-MS 4110 Mobile Quadrople Mass Spectrometer Lab

Fast and efficient qualitative analysis. Quantitative analysis is accurate and reliable.
High degree of automation featuring EPC controlled gas flow and pressure
Two scan modes are available: SCAN and SIM
Software is available with Chinese and English interface
Software can be configured with international standard libraries, such as NIST, WILEY, DRUG and among others, also features automated quick search and match
This instrument is designed for on-site emergency response and meets the "Mobile Laboratory Equipment General Technical Requirements"
Mass range: 1.5 - 800 amu
Mass resolution (FWHM defined): 1.5 - 2 M
Scan speed: Adjustable, maximum 6000 amu/sec
Mass accuracy: ± 0.2 u
Mass stability: ± 0.15 u/24 hours
Sensitivity: 1pg octafluoronaphthalene (signal to noise ratio > 30:1)
MS interface: direct connection to capillary column, helium carrier gas flow rate ≤ 1 mL/min
Vacuum System: Standard 70 L/s air-cooled molecular turbo pump with pre-pump, optional 250 L/s molecular turbo pump
Custom suspension system design, with specialized gas supply and power system
Applications: Public safety, environmental monitoring, food safety and other emergency mobile laboratory applications

TRGC-MS 4200 Gas Chromatograph - Mass Spectrometer (Quadrupole)

China's first commercialized second-generation GC-MS product
Features include an improved filament control module that intelligently adjusts the electron emission current and electron energy, and a unique DC equalization technique that further improves the signal to noise ratio. 
An industry-first high-speed DC compensation technology optimizes the relative ion transmission rate, effectively improving resolution.
The adjustable positive chemical ionization (PCI) feature improves the overall performance of the system while simultaneously expanding the instrument's applications.
High-speed scan and sampling circuit allows for a sufficiently large amount of data points.
Our new GC with improved GC temperature control accuracy and our latest electronic pressure and flow control module has vastly improved the system's repeatability.
The GC-MS 3200 is more reliable, and easier to operate, install and maintain.
Features a new industrial design that elegantly combines both form and function.