Chemicals & Materials
Instrument selection for process support, incoming-material screening and release testing of chemical and material products.
8 measurement tasks · 7 instruments · 4 notes
Explore workflowGC- Series
GC-7860F Gas Chromatograph
Equipped with a 10-inch touchscreen display
Documentation
Datasheets and manuals are issued per model and revision. Ask for the documents that match the configuration you are considering.
See linked documents- Gas Chromatography GC-7860 F
- GC-7860F network gas chromatograph incorporates advanced technologies from comparable international products and adopts industry-leading domestic manufacturing technologies and processes to ensure high reliability and extended trouble-free operation
- The workstation supports multi-channel data processing for multiple gas chromatographs, with a maximum designed connection capacity of 5,000 instruments
- The main control system is equipped with an 8-channel external event timing program and supports automatic online cyclic analysis
- The large-capacity column oven features an automatic rear door and supports 23-step temperature programming, with the flexibility to configure an unlimited number of temperature ramps.
| Communication | Network communication via an IEEE 802.3 Ethernet interface; the workstation also supports an RS232 communication interface |
|---|---|
| EPC working mode | constant current, constant voltage, split mode |
| EPC working gases | N2, H2, Air, He, Ar |
| EPC control range | pressure 0~ 0.6kpa flow 0~500 sccm |
| EPC control accuracy | pressure 0.01Kpa; Flow rate of 0.01 sccm |
| Remote monitoring | Real-time monitoring of instrument operation, online/offline status, and operating parameters |
| Instrument control | Remotely adjust instrument parameters and control instrument operations, such as ignition (for gas chromatography), sample injection, and analysis |
| Data acquisition and transmission | Real-time chromatographic data acquired by the instrument can be transmitted to the cloud platform |
| Data storage and analysis | The cloud platform stores transmitted data and allows users to view, analyze, and share chromatograms |
| Number of temperature control channels | 10 |
| Temperature control range | Column oven temperature: Ambient temperature +4 °C to 450°C (1°C increments) |
| Temperature control accuracy/stability | ≤0.1% |
| Display resolution | 0.01°C |
| Temperature programming | 23 steps (expandable to an unlimited number of steps) |
| Temperature ramp rate | 0- 40°C/min (adjustment increments: 0.1°C/min) |
| Maximum heating rate | 80°C/min |
| Temperature programming repeatability | ≤0.5% |
| Cooling time | ≤8 min (from 300°C to 50°C, with automatic door opening) |
| Detection Limit | ≤3 × 10⁻¹² g/s (n-hexadecane) |
| Baseline Noise | ≤5×10¯¹⁴A |
| Baseline Drift | ≤1×10¯¹³A/30min |
| Linear | ≥10⁷ |
| Sensitivity | S≥3000mv.ml/mg |
| Baseline Noise | ≤10µv |
| Baseline Drift | ≤30µv/30min |
| Linear | ≥10⁵ |
| Carrier gas velocity stability | ≤1% |
| Limit of detection | 5ׯ¹²g/s(S) (S in methyl parathion) |
| Linear range | 10⁵(P) 10³(S) |
| Maximum service temperature | 350°C |
| Detection Method | Air-hydrogen flame spectrometry |
| Optical detector | Top photomultiplier |
| Multiplier voltage | Max--700V |
| Limit of detection | ≤1×10¯¹⁴g/s |
| Linear range | 10⁴ |
| Source | Ni⁶³ |
| Limit of detection | (N)≤5×10¯¹²g/s |
| Power supply | 220 V ± 22 V, 50 Hz ± 0.5 Hz |
| Rated power | <1800 W |
| Ambient temperature | +5°C to +35°C |
| Relative humidity | ≤85% |
| Coal gas and biogas analysis (six components | H₂, O₂, N₂, CH₄, CO, and CO₂), featuring a unique single-valve sequential switching system |
Send your sample type and method, and we will confirm the configuration and current lead time.
Ask about this modelOverview
What this instrument is designed to do, in plain terms.
- Gas Chromatography GC-7860 F
- GC-7860F network gas chromatograph incorporates advanced technologies from comparable international products and adopts industry-leading domestic manufacturing technologies and processes to ensure high reliability and extended trouble-free operation. It maximizes instrument uptime, minimizes maintenance requirements, and features a simplified, well-designed structure that is easy to learn and operate.
- Equipped with a 10-inch touchscreen display. The newly upgraded instrument control software enables direct control of the instrument for easy and convenient operation.
- The workstation supports multi-channel data processing for multiple gas chromatographs, with a maximum designed connection capacity of 5,000 instruments. It enables data processing and simultaneous display of signals from multiple detectors on a single chromatogram and features a baseline flattening function.
- The main control system is equipped with an 8-channel external event timing program and supports automatic online cyclic analysis. The detector can be equipped with an amplifier board and comes standard with a wide-range amplifier to prevent solvent peak saturation.
- The large-capacity column oven features an automatic rear door and supports 23-step temperature programming, with the flexibility to configure an unlimited number of temperature ramps.
- Electronic gas circuit (EPC/EFC) control mode
- EPC system provides a control precision of 0. 01 mL/min or 0. 01 kPa, ensuring excellent retention time reproducibility and more consistent, reliable results. Available modes include constant flow, constant pressure, and split mode.
- Fully electronic pressure and flow measurement system: Supports up to 16 measurement channels.
- Equipped with over-temperature, overcurrent, and system freeze protection, as well as a one-touch cooling function. Simply tap “Turn off temperature control” to automatically cool down all heating zones.
- The workstation software supports programmable integration time settings and provides practical functions such as baseline locking, negative peak identification, and negative peak inversion. Its unique intelligent peak recognition technology minimizes the need for user-defined chromatogram processing parameters, enabling virtually automatic peak detection, baseline correction, and overlapping peak separation.
- The software can display the temperature programming curve and allows users to view peak height, peak area, retention time, and other information in real time, even before the analysis is completed.
- The mobile app enables IoT connectivity and remote monitoring and control of the instrument:
- Temperature control specifications
- The collector features a cylindrical design with a platinum nozzle.
- Suitable for the analysis of all volatile organic compounds (VOCs).
- ◎Autoignition (Detector temperature above 150°C)
- Suitable for the analysis of water, inorganic gases, and high-concentration organic compounds.
- The power supply adopts a constant-current control mode.
- Equipped with high-quality rhenium-tungsten filaments, a low-volume thermal conductivity cell, and a dual-column balancing design.
- ◎Adopt semi-diffused structure
- ◎Constant current control mode is adopted for power supply
- HTCD High sensitivity thermal conductivity detector S≥10000mv.ml/mg; Digital amplification 2, 4, 6, 8 times optional
- ◎Capillary column connecting parts are optional
- 5×10¯¹³g/s (P) (P in methyl parathion)
- Suitable for the analysis of nitrogen- and phosphorus-containing compounds.
- High-quality rubidium beads provide high sensitivity and a long service life.
- The instrument must be installed in an environment free from corrosive gases and electric or magnetic fields that may interfere with normal operation. The workbench must be stable and free from vibration. Electric heaters, open flames, and other ignition sources must be kept at least 2 meters away from hydrogen cylinders.
- Dissolved gas analysis in power transformer oil (GB/T 17623-1998, DL/T 722-2000, DL/T 703-1999)
- Gas chromatographic analysis of safety-related gases in underground coal mines (supports continuous, automated cyclic sampling and analysis from up to 32 sampling points, 24 hours a day).
- Air quality analysis (TVOC, benzene, total hydrocarbons, and non-methane hydrocarbons), in compliance with GB/T 50325-2001, GB/T 18883-2002, and GB 16927-1996. Also suitable for the analysis of industrial exhaust gases and flue gases, supporting continuous 24-hour online monitoring of VOCs, benzene, and non-methane hydrocarbons in flue gas.
- Water quality analysis (in compliance with GB/T 5750-2006).
- Analysis of various industrial fuel gases, including natural gas, refinery gas, pyrolysis gas, and manufactured gas. Available configurations include a basic single-valve system, an economical dual-valve four-column system, a practical three-valve four-column system, a high-end five-valve six-column system, a three-valve four-column TCD system, and a four-valve five-column dual-TCD system. Complies with GB/T 13610-2003, UOP 539, ASTM D1945, ASTM D1946, and GPA 2261. Customized configurations are available to meet specific sample analysis requirements.
- Sulfur compound analysis in natural gas (featuring a unique single-valve sequential switching and backflushing method for the determination of H₂S, COS, SO₂, and total sulfur).
- High-purity gas analysis and electronic-grade gas analysis (with a minimum detectable concentration as low as 10 ppb).
- Benzene and toluene analysis in gasoline (in compliance with ASTM D3606 and SH/T 0713-2002).
- Oxygenated compound analysis in gasoline (in compliance with ASTM D4815 and SH/T 0633-1998).
- Analysis of benzene, toluene, and aromatic hydrocarbons in gasoline (in compliance with ASTM D5580-1995 and SH/T 0693-2000).
- SOA hydrocarbon group composition analysis and PONA individual hydrocarbon analysis in gasoline (determination of saturated hydrocarbons, olefins, aromatic hydrocarbons, and benzene using a specially designed olefin adsorption trap, in compliance with SH/T 0741-2004).
- Simulated distillation by gas chromatography (in compliance with SH/T 0558, ASTM D5307, ASTM D3710, ASTM D6352, and ASTM D2887).
- Blood alcohol analysis (in compliance with the Ministry of Public Security standard GA/T 105-1995).
- VOC analysis in cigarette packaging materials (in compliance with YC/T 207-2006), drug residue analysis, ethylene oxide residue analysis in medical devices (in compliance with GB/T 16886. 7-2001), and residual solvent analysis in packaging materials.
- Specialized gas chromatography for greenhouse gas analysis (CO₂, CH₄, and N₂O), with a measurement range of 0. 1 ppm to 100%.
- Catalyst evaluation and high-temperature, high-pressure online analysis systems (customized gas chromatography systems available upon request).
- Process gas chromatography (industrial GC), sample pretreatment systems, analyzer shelter construction, and multi-stream sample selection (supporting up to 32 sample streams).
Accessaries
Confirm these items before the final quotation. Accessaries are listed only where the manufacturer offers them.
Standard Accessaries
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Optional Accessaries
- Digital amplification 2, 4, 6, 8 times
- Capillary column connecting parts
Specifications can depend on the selected configuration. Confirm the current datasheet, accessories and software version before purchase.
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