GC-7860 A/SA Gas Chromatography
GC-7860 A/SA
GC-7860 A/SA gas chromatography use electronic gas circuit EPC/EFC control mode, advanced electronic gas circuit control (EPC/EFC) system, can provide industry users with industry-leading excellent quality and reliable results. The instrument has a unique network remote transmission and control function, so that the instrument in unattended, decentralized detection, centralized control into a reality; Data analysis results can be connected to DCS to complete the statistics, analysis and monitoring of chromatographic component content and improve the automation of the production process.
GC-7860 series gas chromatography is widely used in petrochemical, fine chemical, biological medicine, environmental protection, food hygiene, high purity gas, electricity, wine making, scientific research and education and other fields.
GC-7860 series network-based gas chromatography can be configured with 6-bit, 15-bit, and 150-bit liquid automatic samplers, and each parameter can be controlled by the reverse control software, which will bring better repeatability and improve work efficiency, while eliminating errors caused by manual samplers.
Features:
- 5.7-inch dot-matrix LCD large liquid display, support Chinese and English switch.
- Full electronic gas circuit (EPC/EFC) control mode, networking communication (Ethernet interface IEEE802.3), computer online full control operation.
3. SA series (component no. GS46), 1/16in imported stainless steel pipeline and stainless steel connector; The sample inlet and the vaporization chamber of the detector are specially treated to minimize the dead volume of the sample and the adsorption of the tube wall on the sample. With electronic gas circuit EPC/EFC, easy to operate.
4. Electronic gas circuit (EPC/EFC) control mode (A/SA)
a. EPC electronic gas circuit control precision is 0.01mL/min or 0.01Kpa, which ensures better retention time reproducibility and more consistent and reliable results
b. EPC working mode: constant current, constant voltage, shunt mode
Program pressure control: 4 stage
c. EPC working gases: N2, H2, Air, He, Ar
d. EPC control range: pressure 0~ 0.6kpa flow 0~100sccm or 0~500sccm
e. EPC control accuracy: pressure 0.01Kpa; Flow rate of 0.01 sccm
Detector:
FID
The collecting pole adopts the original cylindrical structure and quartz nozzle
Limit of detection:<=3×10¯¹²g/s
Baseline Noise: 5×10¯¹A
Baseline Drift: <=1×10¯¹³A/30min
Linear: >=10
Autoignition
TCD
Adopt semi-diffused structure
Constant current control mode is adopted for power supply
Sensitivity: S>=3000mv.ml/mg
HTCD High sensitivity thermal conductivity detector S>=10000mv.ml/mg; Digital amplification 1, 2, 4, 8 times optional
Baseline Noise: <=10µv
Baseline Drift: <=30µv/30min
Linear: >=10
Carrier gas velocity stability: <=1%
Capillary column connecting parts are optional
ECD
Limit of detection:<=1×10¯¹g/s
Linear range: 10
Source: Ni³
FPD
Limit of detection: 5ׯ¹²g/s(S) (S in methyl parathion)
5×10¯¹³g/s (P) (P in methyl parathion)
Linear range: 10(P) 10³(S)
Maximum service temperature: 350ºC
Detection Method: Air-hydrogen flame spectrometry
Optical detector: Top photomultiplier
Multiplier voltage: Max--700V
NPD
Limit of detection: (N)<=5×10¯¹²g/s
(P)<=5×10¯¹²g/s
7860NetChrom network-based anti-control workstation N903
Features:
1. Communication:
A. Networked communication, IEEE802.3 Ethernet interface;
B. The workstation also supports RS232 communication interface;
2. The organic combination of chromatographic data processing and instrument reverse control operation makes the operation convenient and the interface friendly;
3. The workstation software can set and control the temperature of the heating area, the name of the heating area, user-defined enabling switch, gas flow and pressure, program boost control, program temperature rise and external events, automatic sampler, multi-flow sample selection control, detector and other parameters;
4. The workstation supports multi-channel data processing of multiple chromatograph devices. The maximum design supports connection of 5000 chromatograph devices.
5. The workstation software has integrated time program setting, base-line locking, negative peak identification and negative peak reversal and other practical functions;
6. Data analysis results can be converted into WORD format for printing, output and copy;
7. Automatically generate the folder named after the chromatograph, automatically generate the time for users to manage multiple chromatograph at the same time;
8. The NetChrom network anti-control workstation CAN transmit the analysis results to the place needed by users remotely through various transmission methods (Internet, CAN bus, MODBUS bus, GPRS communication, 3G communication, wireless private network, etc.).
9. Data analysis can be easily uploaded to DCS system and output 4mA~20mA, which is convenient for industrialized online closed-loop control;Connect with Agilent, Waters and other chromatographic workstations;
10. Multi-thread technology is adopted to realize signal collection, data processing and user management working together at the same time;
11. The unique software architecture realizes the rich configuration of multiple monitoring seats in a system, and a single chromatograph supports the simultaneous access of three IP addresses;
12. Equipped with the analysis results to extend the communication interface and support the user's secondary development and function extension;
13. The unique spectrum peak can only be identified, which minimizes the processing parameters of the spectrum that need to be set by the user, and basically realizes the automatic processing of peak determination, baseline correction and overlapping peak segmentation;
14. The sample data can be read into the CDF file conforming to A/A standard, which can be connected with Agilent, Waters and other chromatographic workstations;
15. The unique high-fidelity digital filtering algorithm is adopted, which has strong anti-noise interference ability and can detect weak and small peaks at the same level as the baseline noise;
16. Data processing includes: normalization method, calibration normalization method, single-point calibration method (single-point internal standard method, single-point external standard method), multi-point calibration method (multi-point internal standard method, multi-point external standard method);
17. Provide GMP version, power dedicated, non-methane total hydrocarbon, TVOC, gasoline analysis, PONA and other dedicated software;
18. The GMP certification workstation has the functions of authority management, log management and result traceability, etc.;
19. The NetChrom online workstation can also be equipped with a "component content monitoring system" to complete the statistics, analysis and monitoring of chromatographic component content, which can be used in the production of chemical products (such as reaction, fractional flow, rectification, etc.). Carry out data statistics of each component of the sample, content change trend, threshold detection, threshold alarm, so that the component content change trend is clear at a glance.The data on the same day or on duty are automatically archived without manual analysis of the atlas, manual sorting of the atlas, and manual judgment of the results, which improves the automation level of the factory.
Technical Parameters:
Input voltage range: -2.5v ~ 2.5v
Integral sensitivity: 0.05 V·s
Minimum resolution: 1 V
Dynamic range: 10-7
Alignment: 0.005%
Repeatability: 0.005%
Sampling cycle: 10, 20, 30, 40, 50 times/second adjustable
GC-7860 Network-based Series Gas Chromatography
GC-7860 Plus/B, GC-7860 E/SE, GC-7860 A/SA and GC-7860 Micro are available.
Feature:
GC-7860 series network-based gas chromatography is a new digital full control gas chromatography. The instrument has fully absorbed the advanced technology of foreign similar products and adopted the leading manufacturing technology to ensure the reliability and trouble-free operation time of the instrument. It can not only maximize the normal operation time, reduce the number of maintenance, and in the structure of more concise and reasonable, simple to learn, easy to operate.
GC-7860 gas chromatography gas circuit control has two modes of manual and electronic gas circuit EPC/EFC control, advanced electronic gas circuit control (EPC/EFC) system, can provide industry users with industry-leading excellent quality and reliable results. The instrument has a unique network remote transmission and control function, so that the instrument in unattended, decentralized detection, centralized control into a reality; Data analysis results can be connected to DCS to complete the statistics, analysis and monitoring of chromatographic component content and improve the automation of the production process.
GC-7860 series gas chromatography is widely used in petrochemical, fine chemical, biological medicine, environmental protection, food hygiene, high purity gas, electricity, wine making, scientific research and education and other fields.
All inlet and detector gas paths for the GC-7860 gas chromatography can be controlled by an electronic gas circuit (EPC/EFC) to provide better retention time and peak area accuracy. Instrument users can set various parameters such as gas flow rate, shunt ratio, external events, automatic sampler, temperature and detector through the reverse control software, and save all parameters of the analysis method. The digital circuit keeps Settings consistent between operators on each run. As a result, users can achieve better retention time reproducibility and more consistent and reliable results.
GC-7860 series network-based gas chromatography can be configured with 6-bit, 15-bit, and 150-bit liquid automatic samplers, and each parameter can be controlled by the reverse control software, which will bring better repeatability and improve work efficiency, while eliminating errors caused by manual samplers.
Solutions:
- Gas analysis of pressure transformer oil (GB/T 17623-1998, DL/T 722-2000, DL/T 703-1999)
- Air quality (TVOC, benzene, total hydrocarbon and non-methane total hydrocarbon) analysis (GB/T 50325-2001, GB/T 18883-2002, gb16927-1996); Workshop exhaust gas, flue gas analysis, and VOC, benzene and non-methane total hydrocarbon in flue gas 24 hours uninterrupted online analysis;
- Natural gas, refinery gas, pyrolysis gas, artificial gas and other industrial gas gas analysis (simple single valve type, wide spectrum process double valve four-column economy type, wide spectrum process three valve four column practical type, wide spectrum process five valve six column high end type, three valve four column TCD type, four valve five column double TCD type, etc. In accordance with GB/T 13610-2003, UOP539, ASTM1945, ASTM D 1946 and GPA2261; Can be customized according to the user's specific samples);
- Safety gas analysis in underground coal mine gas chromatography (available for 24 hours continuous cycle sampling analysis of 32 points);
- Water quality analysis (accord with GB/T 5750-2006);
- Gas, methane analysis (H2, O2, N2, CH4, CO, CO2 six components, unique single valve sequence conversion);
- Sulfur compounds in natural gas (unique single-valve sequence reversal method for detection of H2S, CSO, SO2 and total sulfur);
- High purity gas analysis, electronic industrial gas analysis (minimum detectable concentration up to 10ppb);
- Benzene and toluene in gasoline (accord with ASTM D3606; SH/T 0713-2002);
- Analysis of oxygen-containing compounds in gasoline (accord with ASTM D4815 and SH/T 0633-1998);
- Analysis of benzene, toluene and aromatics in gasoline (in accordance with ASTM d5580-1995, SH/ t0693-2000);
- SOA analysis of hydrocarbon group composition in gasoline (content detection of saturated hydrocarbon, olefin, aromatic hydrocarbon and benzene, using a special olefin adsorption trap; In line with SH/T 0741-2004), PONA analysis of single hydrocarbon in gasoline and CPNA analysis of the composition of carbon family;
- Simulated distillation gas chromatography (accord with SH/T 0558, ASTM D5307, D3710, D6352, D2887);
- Blood ethanol analysis (in line with the ministry of public security standard GA/ t105-1995);
- Cigarette sticks VOC (in line with YC/T 207-2006), drug residue analysis, ethylene oxide in medical devices (in line with GB/T 16886.7-2001), solvent residue detection in packaging materials;
- Gas chromatography for room temperature gases (CO2, CH4 and N2O, 0.1ppm-100%);
- Catalytic evaluation, Fischer-Tropsch synthesis, high pressure and high temperature on-line analytical system (system chromatography based on requirements);
- Process gas chromatography (industrial chromatography), sample pretreatment, analysis cabin construction, multiple flow path sample selection. (up to 32 sample options are supported), etc
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