Introduction
A gas chromatograph (GC) is an analytical instrument used to separate and analyze the components of a volatile mixture, and it is one of the most widely used instruments in analytical chemistry, used in environmental analysis, the food and beverage industry, the petroleum industry, clinical and forensic laboratories, and research. In gas chromatography, the sample is vaporized and carried by an inert carrier gas, such as helium or nitrogen, through a column that contains a stationary phase; the components of the sample interact with the stationary phase to different degrees, so that they travel through the column at different rates and are separated in time, and they are detected as they emerge from the column by a detector, such as a flame ionization detector (FID), a thermal conductivity detector (TCD), an electron capture detector (ECD), or a mass spectrometer (GC-MS), and the resulting chromatogram shows the peaks of the separated components, which are identified by their retention times and quantified by their peak areas. Gas chromatographs are used for analyzing volatile organic compounds in environmental samples, for analyzing flavors, aromas, and contaminants in food and beverages, for analyzing petroleum products, for analyzing drugs and toxicology samples, for analyzing pesticides and residues, for analyzing gases, for research, and for many other applications, and they are available as benchtop instruments with features such as temperature programming, autosamplers, and data analysis software. With their separation capability, gas chromatographs are essential instruments for the analysis of volatile compounds.
Gas Chromatography LGC-T2010
Gas Chromatography operates reliably between room temperature +15 °C and 399 °C. Microprocessor-based control circuit with large memory ensures reliable and secure data storage. Automa...
Gas Chromatography LGC-T2017
Gas Chromatography utilizes high-purity nitrogen (at least 99.99%) as the carrier gas and hydrogen (at least 99.99%) as the fuel gas. It features a large-capacity cooling box with an aut...
Gas Chromatography LGC-T2018
Gas Chromatography uses nitrogen as carrier gas and features a control box with a temperature range from room temperature to 450°C. It is equipped with advanced an advanced (Electronic ...
Gas Chromatography LGC-T2016
Gas Chromatography comes with an oven temperature range from 4°C to 450°C, ensuring precise thermal control for accurate analysis. Its 8-inch touchscreen provides an intuitive interfac...
Gas Chromatography LGC-T2015
Gas Chromatography analyzes dissolved gas in insulating oil with a temperature range of 4°C to 450°C. It includes a dual system, , and methane conversion oven for precise 9-component g...
Gas Chromatography System LGC-T2014
Gas Chromatography System offers a 22L oven capacity and an adjustable temperature range from RT + 5°C to 400°C. It is equipped with advanced a 7-inch monitoring of temperature, gas fl...
Gas Chromatography LGC-T2013
Gas Chromatography is provided with a spacious column oven volume of 300× 280× 170 mm³ allowing simultaneous accommodation of two 80m capillary columns. It Features a comprehensive mi...
Gas Chromatography LGC-T2011
Gas Chromatography is a benchtop unit with advanced flow controller () technology. System has digital control mode and polar capillary columns to separate polar analytes. GC oven is capa...
Gas Chromatography LGC-T2012
Gas Chromatography is a compact tabletop system featuring a Flame Ionization Detector (). It provides a broad temperature range from room temperature up to 450°C, with a fast-heating ra...
Standards
ISO 6974-Natural gas-Determination of composition with defined uncertainty by gas chromatography
USP General Chapter <621>-Chromatography
European Pharmacopoeia 2.2.46-Chromatographic separation techniques
WHO TRS 1025 Annex 4-Good chromatography practices
Complies with the above standards, but is not limited to them.
Features
1. Gas chromatography (GC) system for separation and analysis of volatile compounds.
2. Capillary column separation with multiple detector options for compound analysis.
3. Suitable for chemical, environmental, pharmaceutical, food, petroleum and research.
4. Includes injector, column oven, detector, autosampler, software and manual.
5. Supports qualitative and quantitative analysis of volatile and semi-volatile compounds.
FAQ
Q1: What testing scenarios is this GC mainly applied to?
A: The gas chromatography system is used in chemical analysis, environmental monitoring, pharmaceutical testing, food safety, petroleum analysis, forensic science and research to separate, identify and quantify volatile and semi-volatile compounds in gas, liquid and solid samples for quality control, regulatory compliance and research. It supports environmental pollutant analysis (VOCs, SVOCs, pesticides), pharmaceutical residual solvent testing, food safety analysis (flavors, contaminants, additives), petroleum product composition, forensic toxicology, chemical manufacturing quality control, and research on volatile compounds. The GC provides high-resolution separation of complex mixtures, enabling detailed compound analysis with sensitive detection.
Q2: What standards does the GC comply with?
A: The gas chromatography system complies with relevant IEC 61010 laboratory electrical safety standards, IEC 61326 for electromagnetic compatibility, applicable GB/T standards for analytical instruments, and relevant carrier gas safety standards. The instrument follows applicable data integrity and 21 CFR Part 11 requirements for regulated industries. Methods follow EPA, USP, AOAC, ISO and ASTM standards as applicable. Calibration should use certified reference standards traceable to international standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole GC system is covered by a 12-month warranty. The injector, oven, detector, electronics, autosampler and software are covered, while columns, consumables, septa, liners and fuses are consumables. Damage from improper use or unauthorized repair is excluded. Extended service contracts are standard for this analytical instrument.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained analytical chemists familiar with gas chromatography, method development and data interpretation. We provide comprehensive training, operation manuals and application support. Proper column installation, method programming, calibration, sample preparation, maintenance and data interpretation are important for accurate, reliable analysis.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration with certified reference standards per method or schedule. Detector performance verification periodically. Column performance and condition checked. Injector maintenance (septa, liner) per usage. Oven temperature calibration annually. Full system performance verification per schedule. Software updates and data integrity checks per regulatory requirements.
Q7: Are supporting consumables universal?
A: GC columns, septa, liners, syringes and vials are available from multiple qualified suppliers, though column selection depends on the application. Long-term consumable cost depends on sample volume and column usage. Carrier gas (helium, nitrogen, hydrogen) requires proper supply and safety.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes detector type (FID, TCD, ECD, FPD, NPD, MS), injector type, column oven range, autosampler capacity, headspace, purge-and-trap, software features and accessories. Additional detectors, autosamplers and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, gas chromatography systems include on-site installation, commissioning, calibration, method setup and operator training by certified specialists. Site preparation guidance is provided before delivery to ensure carrier gas, power, ventilation and IT requirements are met.
Q10: What types of samples are compatible with this equipment?
A: The gas chromatography system analyzes volatile and semi-volatile compounds in gas, liquid and solid samples (with appropriate sample preparation) within the compound volatility, thermal stability and concentration specification. Compounds must be volatile and thermally stable at GC temperatures; non-volatile or thermally labile compounds may require derivatization or LC analysis. Different sample types require specific injection methods (liquid, headspace, SPME, purge-and-trap). Users should select appropriate column (stationary phase, length, ID) for the application, use proper sample preparation, calibrate with certified standards, optimize method parameters (oven program, carrier gas flow, detector), follow proper carrier gas safety (hydrogen requires special precautions), maintain injector and detector per manufacturer schedule, and for regulated use, follow data integrity requirements (21 CFR Part 11, Annex 11). The GC should be installed in a well-ventilated area with proper gas supply. The column should be conditioned before use and replaced when performance degrades. Waste should be disposed of per chemical waste regulations. For environmental or pharmaceutical testing, follow validated methods and include appropriate quality control samples in each analytical batch.
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