Technical indicators and parameters:
Ion source:
Temperature control: 100 ℃~300 ℃, independent control;
Ionization energy: 10-200eV;
Sensitivity: 1.3.1 EI source: Full scan: 1pg octafluoronaphthalene, signal-to-noise ratio ≥ 185:1 m/z 272 Select ion scan: 100fg octafluoronaphthalene, signal-to-noise ratio ≥ 185:1 m/z 272 CI source: Full scan: 100pg benzophenone, signal-to-noise ratio ≥ 150:1 m/z 183 Select ion scan: 10pg benzophenone, signal-to-noise ratio ≥ 150:1 m/z 183 NCI source: Full scan: 100fg octafluoronaphthalene, signal-to-noise ratio ≥ 300:1 m/z 272 Select ion scan: 10fg octafluoronaphthalene, signal-to-noise ratio ≥ 300:1 m/z 272
Mass spectrometer:
Full metal molybdenum quadrupole mass analyzer with pre quadrupole filter (lifetime pollution prevention, no need to replace, no need to heat)
Quality range: 1.5 to ≥ 1050amu;
Resolution: unit mass;
Scanning speed: ≥ 10000amu/sec；
Quality axis stability: ≤ 0.1amu/48h；
Detector: Off axis electron multiplier;
Function and scope of use:
Qualitative and quantitative determination of pesticide residues in vegetables and fruits.


Main features:
The main features of 7890A -5975C gas chromatography-mass spectrometry are:
1. High sensitivity
2. Integrated inert high-temperature ion source: up to 3500C, suitable for analysis of high boiling point compounds
3. Trace Ion Detection (TID) technology improves the sensitivity and reliability of detecting trace samples in complex samples
4. Truly heated hyperbolic quadrupole analyzer with ion transfer efficiency and maintenance free quadrupole
5. The gain normalization tuning function improves the comparability of data
6. Hydrogen can be chosen as the carrier gas to improve analysis speed and reduce operating costs
7. Unique retention time locking and deconvolution reporting software (DRS) and a database of 926 DRS compounds
8: Configuring capillary flow technology for multi signal data acquisition