The GC-9870 Plus Gas Chromatograph (Touch Color Screen) utilizes full reverse-controlled EPC electronic circuit control and high-precision temperature control, combined with an optimized column oven and injector design, providing an excellent chromatographic separation system.
GC-9870 Plus Full Auto Control EPC Automated Gas Chromatograph, featuring imported (1280Color touch screen setup and display, user-friendly interface, and simple operation. Entirely controlled and managed by microcomputers, the high-reliability design showcases exceptional quality performance, enhancing analysis efficiency.
New EPC Electronic Circuit Control, High-Precision Valve Control Electronic Pressure Display (choose one)
●GC-9870 Plus' integrated EPC module provides accurate and stable flow and pressure control, digitally controlling the gas path parameters of the sampler and detector, ensuring consistency and reproducibility of analytical results.
● Depending on the customer's varying needs, up to 1-5 EPC modules can be installed simultaneously, achieving EPC control for 3-15 channels.
● Gas flow accuracy ±5%, flow repeatability ±0.35%, flow range 200ml/min. With standardized atmospheric pressure and temperature compensation, and program pressure and flow program functions.
● The brand-new EPC electronic circuit control technology ensures exceptional repeatability and precision in retention time.
● High-precision valve control and adjustment, with a chromatography mainframe display and computer reverse control software providing real-time digital pressure display, ensuring precise adjustment and achieving instrument repeatability.
A variety of high-performance inlet ports
● The GC-9870 Plus offers a variety of injection port options, including分流/不分流capillary injection ports and packed column injector ports, to optimize chromatographic separation.
● Equipped with two分流/不分流 inlet ports, or one分流/不分流 inlet port and one large-volume inlet port, or one capillary inlet port and one packed column inlet port, all controlled by EPC.
● Flow-thru/Non-flow-thru inlet, featuring a smaller dead volume and higher repeatability, with a selection of up to a dozen general-purpose glass liners available.
● Optional with automatic liquid sampler with various positions, headspace autosampler, and thermal desorption instrument, easy to operate, and high in stability.
Precision temperature control, superior temperature performance column oven
The GC-9870 Plus chromatography column compartment maintains stable temperature performance. Equipped with a high-precision temperature control system, it can meet the requirements for rapid and accurate temperature holding and programmable temperature ramp control.
● Standard configuration for the large capacity column oven includes one capillary chromatography column. In special cases, two capillary columns or one capillary column with two packed columns can be installed simultaneously.
●The temperature control dynamic range is from +4℃ above ambient temperature to 420℃, with a stability of ±0.02℃. It supports a 20-step column oven temperature gradient, and additional steps can be set through the software.
● Eight-way temperature control; any single channel exceeding the set temperature will automatically cut off power, stop heating, and trigger an alarm.
Wide-ranging GC Workstation Software (with Built-in Host)
●High-performance, self-developed GC software that enables bidirectional control and data processing for the GC-9870 Plus, with more user-friendly and straightforward operation.
Full Chinese workstation software with task and method-based modes, offering flexible and varied combinations, suitable for various workflows and applications.
Selectable high-sensitivity amplifier series
● The GC-9870 Plus features all amplification controllers using reverse control data. All parameters are set and modified via computer, truly achieving full reverse control.
●The FID Amplifier utilizes a logarithmic amplifier, enhancing the sensitivity and reproducibility of the FID.
● TCD Constant Current Control Board, featuring a constant current control mode with a maximum current of up to 220mA, enhancing sensitivity and stability.
High-sensitivity detector series
● The GC-9870 Plus features EPC control for all detectors, with FID and FPD auto-ignition, automatic extinguishing prompts, and automatic extinguishing priority function. The air flow rate ranges from 0 to 800 ml/min, hydrogen from 0 to 100 ml/min, and tail gas from 0 to 100 ml/min. Additionally, the advanced detector control circuit allows for digital data output across the full range.
●GC-9870 Plus not only comes with five optional detectors such as FID, TCD, FPD, ECD, NPD, but also can be connected to mass spectrometry detectors. Suitable for the needs of analysis and testing for various types of samples.
● Reserved MS connection interface, upgradeable to GTC-MS system.
Main Technical Specifications of the Instrument
Temperature Control
Temperature Control Range: 4℃ above room temperature to 420℃ (in increments of 1℃)
Temperature Control Objects: Column Oven, Detector, Sampler, Auxiliary, Total of 6 Channels
Step Level: 20 Steps
Rise Rate: 0.1℃~50℃/min (Increment: 0.1℃)
Setpoint Time: 0~9999.9 min (in increments of 1 min)
Hydrogen Flame Ionization Detector (FID)
Sensitivity: M ≤ 2×10^-12 g/s Sample: Hexadecane
Excellent test results: M ≤ 1 × 10^-12 g/s Sample: Hexadecane
Drift: ≤2×10^-13 A/30min
Noise: ≤2×10^-14 A/30min
Thermal Conductivity Detector (TCD)
Sensitivity: ≥10000 mV·mL/mg Sample: Toluene, Benzene
Noise: ≤50µV
Electron Capture Detector (ECD)
Detection Limit: ≤1×10^-14g/s Sample γ-666
Baseline Noise: ≤50µV Linear Range: ≥10^4
Drift: ≤80µV/30min High operating temperature: 350℃
Flame Photometric Detector (FPD)
Detection Limit: ≤5×10^-13 g/s (P) Sample: Methyphosphonic Acid
≤5×10^-13 g/s (S) Sample: Parathion-methyl
Baseline noise ≤ 4×10^-13 A
Baseline Drift ≤ 2×10^-11 A / 30 min
