gas chromatograph

1．GC1290gas chromatographMain features of the host:

1.1 Host configuration 7-inch touch LCD screen, making the display clearer and the operation simplerProvide more for usersInstrument Information

1.2 AccurateElectronic pneumatic control（EPC）Realize full coverage of carrier gas, gas, and auxiliary gasEPCControl,Through the screenBoth the software and the control mode can be selected,displayAnd settingstrafficParameters such as pressure and diversion ratio

1.3Can load two at the same timeroadCapillary diversion/Without splitting the injection unit,most2 injection ports, 3 detectors

1.4 has 6 independent temperature control zones, with a maximum control temperature of 450 ℃ and high temperature control accuracy (better than ± 0.1 ℃)

1.5 Extreme temperature setting and over temperature protection function to ensure the safe operation of the instrument

1.6 Adoptingbuilt-indatacollectsystemIt can collect instrument control status and chromatographic output signals,Through specialized chromatographic software,Realize real-time instrument control and data processing by connecting an external computer with a communication cable，Real time control of instruments includes temperature control of various channels, selection and setting of detectors, program temperature controlDigital control of gas path andDisplay and other functions.

2. Temperature control system

2.1 Column temperature box control system

2.1.1 Temperature range: 4 ℃ to 4 ℃ at room temperature450℃ (incremental 0.1 ℃)

2.1.2 Column box temperature control accuracy: better than ±0.1℃

2.1.3 Column box program heating: 20step/21The platform program is heating up and can be expanded to99th order,

2.1.4 Lift rate setting:0.1℃～120℃/min(increment0.1℃)

2.1.5 Constant temperature time of each stage: 0-999min(Incremental)0.1min）

2.1.6 Cooling rate of column box: 350 ℃～ 100 ℃≤ 3 minutes

2.1.7Adopting air heating type volume≥15rise

2.2 Auxiliary Control System

2.2.1 Temperature range: 4 at room temperature℃～450℃ (incremental 0.1 ℃)

2.2.2 Temperature control accuracy: better than ±0.1℃ (measured at 200 ℃)

3．GC1290gas chromatographCarrier gas control system

3.1 Carrier gas control mode: constant pressure and constant current modes

3.2 Number of segments for carrier gas pressure program: 3 segments

3.3 Number of segments for carrier gas flow program: 3 segments

3.4 Flow range: 0-1000mL/min (He, H2), default He at the factory

0～200mL/min（N2，Ar）， Factory default N2

3.5 Tail blowing: 0-100mL/min

3.6 Reference gas: 0-150mL/min

3.7 Pressure range: 0-100psi

3.8 Resolution setting: 0.01psi

3.9 Split ratio setting:0～7500

4. Hydrogen flame detector (FID)

4.1 Gas Assisted Gas Full EPC Control System

4.1.1 Air flow range: 0-800mL/min

4.1.2 Hydrogen flow range: 0-100mL/min

4.1.3 Input pressure range: 0-100psi

4.1.4 Setting Resolution:0.1ml/min

4.2 Technical specifications of hydrogen flame detector (FID)

4.2.1 Detection limit:Dt≤2.5pg C／s(Hexadecane)

4.2.2 Noise: ≤ 6 ×10-14A

4.2.3 Drift: ≤ 3 ×10-13 A/30min

4.3 Thermal conductivity detector（TCD）

4.3.1 High precision electronic flow/pressure EPC control system

4.3.2 Adaptation of packed columns and capillary columns

4.3.3 Maximum operating temperature: 400 ℃, temperature control accuracy: ± 0.1 ℃

4.3.4 Sensitivity: ≥ 38000mv · ml/mg (benzene toluene);

4.3.5 Baseline noise: ≤ 0.1mv

4.3.6 Baseline drift: ≤ 0.2mv/30min

4.3.7 Linear dynamic range: ≥ 10⁵

4.3.8 Support the connection between small-diameter capillary columns (0.32mm and 0.25mm diameters) and thermal conductivity detectors to improve their application range.

4.4 Electron Capture Detector (ECD)

4.4.1 Full EPC control system for carrier gas

4.4.2 Detection limit: ≤ 3 × 10-14g/ml（γ-666）

4.4Drift: ≤ 100 μ V/30min

4.4. 4 Noise: ≤ 40 μ V; Radiation source: Ni63

4.5 Flame photometric detector (FPD)

4.5.1 Detection limit: For phosphorus:Dt≤8×10-13g/s）

Regarding sulfur:Dt≤8×10-11g/s

4.5.2 Baseline noise ≤5×10-12 A

4.5.3 Baseline drift ≤2×10-11 A /30min

4.6 Nitrogen Phosphorus Detector (NPD)

4.6.1 Detection limit: For nitrogen:Dt≤5×10-12g/s

Regarding phosphorus:Dt ≤5×10-13g/s

4.6.2 Baseline noise: ≤ 5 × 10-13 A

4.6.3 Baseline drift: ≤ 8 × 10-13 A /30min

5. Original anti control software

5.1 The software complies with“GB/T 25478-2010Chromatographic data workstation”National standards.

5.2 Can handle up to twoRoad chromatography signal.

5.3 The software fully controls the automatic sampler, including various parameter settings for the automatic sampler, and supports signal triggering for supporting pre-processing such as headspace sampler, thermal analysis, blow and capture.

5.4 Built in intelligent peak recognition and real-time integration module, automatically identifying solvent peaks(front/after)The detection accuracy and qualitative analysis of complex overlapping peaks such as tail peak, forward peak, shoulder peak, negative peak, etc/Quantitative repeatability.

5.5 A standardized and open data interface that can import and export spectral data, methods, and analysis results as CDF files that comply with ASTM/AIA standardsSupport andThe data interface between fingerprint spectrum software.

5.6 Optional multiple external event cards and4～20mASignal output module, realizing multi-channel online gas automatic analysis and connecting to industryDCSSystem.

5.7Baijiu analysis, calorific value analysis, natural gas analysisTVOCSpecialized versions for analysis, transformer oil analysis, coal mine gas analysis, amino acid analysis, etc(Or module).