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Gas Chromatograph BK-GC901

BK-GC901 gas chromatograph can realize full EPC electronic flow control, realize full computer control of the instrument, and can be equipped with a high-precision liquid automatic sampler. It can be widely used in many fields such as petroleum, chemical industry, environmental protection, food safety, disease control, education and scientific research, and can analyze the macro, micro and trace amounts of organic matter, inorganic matter and gas.
  • BK-GC901



High-precision gas flow control system (EPC)

★.High-precision gas flow control, to ensure the accuracy of GC analysis, to ensure the efficiency of daily analysis, EPC control accuracy 0.01psi

★.It realizes the self-protection of gas circuit failure, automatic ignition, re-ignition, automatic opening of the gas circuit, and one-key start.

★A variety of control combination modes of operation, automatic pressure and flow adjustment, control and display, can operate in gas-saving mode

Color widescreen, unique design of touch keys

★7-inch industrial color LCD screen design, more complete display information, more reasonable interface operation

★Have two sets of operating systems in Chinese and English to meet different user needs

★Adopt resistive touch screen, feel good, durable, double operation of screen and software to achieve seamless connection

Leading structural design

★Modular structure design, easy to upgrade, can be equipped with a variety of high-performance detectors such as FID, TCD, ECD, FPD and NPD, etc., to meet the analysis needs of complex samples

★.Advanced sampler design, unique liner structure and special processing technology to ensure zero adsorption of samples

★ Adapt to a variety of sample injection methods such as: headspace sampler, thermal desorption analyzer, liquid automatic sampler, easily competent for the analysis of various sample types

★Timed self-starting program can easily complete the laboratory online analysis of gas and liquid samples

Humanized software operating system

★Adopt advanced 10/100M self-adaptive Ethernet communication interface, built-in IP protocol stack, easily form a local area network, realize long-distance transmission, remote control, and remote diagnosis.

★Equipped with IBrainChrom workstation, which can support multiple chromatographs (253 sets) to work at the same time, realize data processing and reverse control.

★Have complete audit trail, user rights management, electronic signature and other functions, so that data and documents meet GMP management requirements

★The built-in Modbus/TCP server of IBrainChrom workstation can easily connect the analysis results to DCS (distributed control system)

★3 independent connection threads that can be connected to local, laboratory supervisors and authorities, allowing them to monitor the operation of the instrument and analyze the data in real time.





Temp. Range


Temp. Accuracy


Temp. Program


Max. Temp. Heating Rate


Time Range



Hydrogen Flame Ionization Detector (FID)

Detection limit:≤5×10-12g/s

(100ng/ul n-hexadecane-isooctane solution)

Temperature 450℃

Compatible with packed and capillary columns

Baseline drift:≤2x10-13A/30min

Baseline noise: 3×10-14A

Linear range:≥107

Thermal Conductivity Detector (TCD)

Sensitivity: >

(50mg/ml toluene-benzene solution)

Temperature 400℃

Baseline drift:≤0.1mV/30min

Baseline noise: 0.03mV

Linear range:≥105(±10%)

Electron Capture Detector (ECD)

Detection limit:≤1×10-14g/ml

(Sample: n-hexadecane δ-666)

Linear range: ≥104

Flame Photometric Detector (FPD)

Detection limit:≤5×10-12g/s(S of 10ng/uL methyl parathion-ethanol solution)

Detection limit:≤4×10-12g/s(P of 10ng/uL methyl parathion-ethanol solution)

Linear range (S): ≥103

Linear range (P): ≥104

Temperature 350℃

Nitrogen and Phosphorus Detector (NPD)

Detection limit:≤1×10-12g/s (Azobenzene)

Detection limit:≤1×10-12g/s(Marla sulfur phosphorous)

Linear range: ≥103

Injection Method

Capillary column split/splitless sampling (with diaphragm purging function), packed column sampling, valve sampling, gas/liquid automatic sampling system, etc.


1~4, up to 3 capillary column inlets

Injection Type

Packed column injection, capillary column injection. (Flow setting range: 0~1000ml/min)

Control Accuracy

Pressure: 0.01KPa; Flow: 0.01ml/min

Maximum Split Ratio


Pressure Sensor

Accuracy: <2% of full scale; Repeatability: <± 0.05KPa; Range: 0~0.6MPa

Flow Sensors

Accuracy: < 5% of full scale; Repeatability: 0.5K Pa (full scale); Output offset (accuracy): ±5%

Sampling Valve

Can be equipped with multiple imported automatic control valves, which can run automatically in sequence

Power Supply

AC220V±10%, 50/60Hz

Standard Accessory

FID detector, Chromatography workstation software, Capillary sampler

Optional Accessory

Sample injection system, TCD, ECD, FPD and NPD detector, Chromatographic column.

Package Size (W*D*H)

750*710*720 mm

Gross Weight


Product Inquiry



BIOBASE Group  is a new high-tech enterprise focusing on development, production and management of scientific equipment, In Vitro Diagnosis (IVD) instrument and reagent.


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