Gas chromatography (quadrupole) mass spectrometer

1Gas chromatography (quadrupole) mass spectrometerGC-MS3200 product testing

·EPC gas path control: Generation III EPC control gas path unit, optional constant pressure mode or constant current mode, intelligent control of purge valve program, minimizing sample diffusion and loss to the greatest extent possible; Optional split/non split injection method, suitable for various application environments; The intelligent solar term function can effectively reduce operating costs; The instantaneous switching technology of non dead volume valve solves the problem of long pressure stabilization time after valve switching in similar instruments without split injection, effectively improving chromatographic peak shape and ensuring retention time repeatability.

·The optimized GC temperature control system has improved the temperature control accuracy of the column box to ± 0.03 ℃, and the repeatability has been greatly improved. The preset installation positions for nitrogen, hydrogen, and air paths can be used to install other chromatographic detectors according to user needs. The improvement of program temperature repeatability enables the heavy components in the oil to obtain sharper chromatographic peaks.

·The CI reaction gas flow feedback control module can automatically adjust the reaction gas flow rate according to the preset proportion of target ions in the gas, so that it is at a flow value, saving reaction gas while ensuring the repeatability of CI analysis.

·A simple and practical liquid and solid direct injection rod option that can quickly obtain structural information of unknown substances is a powerful tool for chemical synthesis practitioners. The external rapid heating kit ensures uniform and rapid heating of the sample tube of the injector. The vacuum lock valve core manufactured by special technology has undergone 5000 fatigue tests and reliable sealing. The maximum operating temperature reaches 650 ℃.

·Compatible with standard specifications of traditional GC chromatography columns.

·An automatic sampler can be optionally selected.

·Multiple optional peripheral accessories: The software includes a complete configuration module that allows for easy switching between the external components you need to control, such as the purge and capture concentrator, liquid automatic sampler, thermal analyzer, headspace sampler, etc. At the same time, the additional DO port meets the requirements for other controls.

2、 Performance parameters

IIIGas chromatography (quadrupole) mass spectrometerApplication scope of GC-MS3200 model

1. Configuration applied in the field of water quality testing

(Applicable EPA Method 502.2, HJ639-2012)

Combined use of blowing, sweeping, and capturing+GC-MS 3200+MS3200 software package+DB-624

(30m × 0.25mm × 1.4 µ m) quartz capillary column

Headspace combination+GC-MS 3200+MS3200 software package+DB-624

(30m × 0.25mm × 1.4 µ m) quartz capillary column

Suitable for quantitative detection of volatile organic compounds in surface water, drinking water, and source water.

2. Economic configuration applied to environmental air quality monitoring

Domestic EW-3TD thermal analyzer+GC-MS 3200+MS3200 software package+equivalent DB-5MS chromatographic column (30 m x 0.25 mm x 0.25 µ m) medium polarity column

Suitable for air quality testing in indoor environments and public places, with high sensitivity to common harmful gases such as TVOC.

3. Typical configuration for routine laboratory analysis

Automatic sampler+GC-MS 3200+MS3200 software package+DB-5MS

(30m × 0.25mm × 0.25 µ m) quartz capillary column

It is applicable to the qualitative and quantitative analysis of most organic substances, such as essence, spices, pesticides, and PAHs.