Introduction
A gas chromatograph is an analytical instrument used to separate and analyze the components of a volatile mixture, based on the different distribution of the components between a mobile gas phase and a stationary phase, and it is one of the most widely used instruments for the analysis of organic compounds. In operation, a small volume of the sample is injected into a heated inlet, where it is vaporized and carried by an inert carrier gas, such as helium or nitrogen, through a chromatographic column; the column contains a stationary phase, which may be a coated capillary column or a packed column, and the components of the sample travel through the column at different rates, depending on their interactions with the stationary phase, so that they emerge from the column at different times, called retention times, and are detected by a detector, such as a flame ionization detector, thermal conductivity detector, or mass spectrometer. The resulting chromatogram, a plot of detector response versus time, provides qualitative information from retention times and quantitative information from peak areas or heights. Gas chromatographs are used in environmental analysis, food and beverage testing, pharmaceutical analysis, petrochemical analysis, forensic science, and clinical diagnostics, for analyzing volatile and semi-volatile organic compounds, for purity testing, for determining product composition, and for monitoring processes. Features include high resolution, sensitivity, and automation. With their power and versatility, gas chromatographs are essential analytical instruments in many fields.
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...
Headspace Sampler LGSI-T2010
Headspace Sampler includes a sample area temperature control range of up to 250°C. The sampler can accommodate 12 headspace bottle workstations. It features an working status, timing fu...
Automatic Headspace Sampler LGSI-T2010
Automatic Headspace Sampler operates with a sample heating range of 40℃ to 200℃ (customizable up to 250℃). It supports up to 20 preset samples, reducing the need for manual interventi...
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 Mass Spectrometry LGCS-T2010
Gas Chromatography Mass Spectrometry operates with a mass range of 15 to 550 amu, ensuring precise analysis. It features a portable design, weighing under 19 kg, allowing easy on-site us...
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...
Gas Chromatography Mass Spectrometry LGCS-T2011
Gas Chromatography Mass Spectrometry features a gas chromatography flow rate of 1 to 1.5 mL/min, enabling efficient sample separation. Its inlet temperature can reach up to 450 °C, whil...
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 chromatograph for separation and analysis of volatile and semi-volatile compounds.
2. Capillary column separation with multiple detector options for compound identification and quantitation.
3. Suitable for chemical, pharmaceutical, environmental, food, petroleum and forensic laboratories.
4. Includes injector, column oven, detector, gas supply and data analysis software.
5. Supports FID, TCD, ECD, FPD and other detectors for various analytical applications.
FAQ
Q1: What testing scenarios is this chromatograph mainly applied to?
A: The gas chromatograph is used in chemical analysis, pharmaceutical quality control, environmental monitoring, food safety testing, petroleum refining, forensic science, fragrance and flavor analysis, and research laboratories to separate, identify and quantify volatile and semi-volatile compounds in complex mixtures. It supports residual solvent analysis in pharmaceuticals, environmental pollutant detection (VOCs, SVOCs, pesticides), food safety testing (fatty acids, flavor compounds, contaminants), petroleum product composition analysis, forensic toxicology and drug testing, fragrance and flavor profiling, and chemical product quality control. The capillary column provides high-resolution separation, and various detectors enable selective, sensitive detection of different compound classes. It is essential for analytical, quality control, regulatory and research laboratories requiring compound separation and analysis for product quality, regulatory compliance, environmental monitoring, forensic investigation and research in chemical, pharmaceutical, environmental, food, petroleum and forensic applications.
Q2: What standards does the chromatograph comply with?
A: The gas chromatograph supports methods referenced in USP, EP and ChP monographs, EPA methods for environmental analysis, ASTM methods for petroleum, ISO and GB/T standards for various applications. The hardware complies with IEC 61010 laboratory safety standards. Electronic records may be configured for 21 CFR Part 11 compliance. 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, gas control and electronics are covered, while columns, liners, septa and detector parts are consumables excluded from warranty. Damage from improper gas supply, column installation or unauthorized repair is excluded. Extended service contracts are strongly recommended for this high-value instrument.
Q4: Is this device difficult to operate? Is professional training required?
A: GC operation requires specialist training in chromatography principles, method development and instrument maintenance. We provide comprehensive training, operation manuals and application support. Proper column installation, gas purity, method optimization, calibration and result interpretation are essential for quality analytical results.
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: Detector calibration with certified standards recommended every 3-6 months or per method requirements. Injector maintenance (liner, septum) per usage. Column conditioning and performance verification periodically. Gas purity and leak checks regularly. Full system performance verification annually. Routine system suitability before each analytical batch for regulated work.
Q7: Are supporting consumables universal?
A: Columns, liners, septa, syringes and calibration standards are available from multiple qualified suppliers, though instrument-specific parts should be verified. Carrier and detector gases require high purity. Long-term consumable and gas cost depends on sample volume and detector type.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes detector type and number, injector type, autosampler, column configuration, gas supply and software modules. Custom orders require detailed application specification and extend lead-time. Users should define target analytes, matrices, sensitivity requirements and throughput before configuration.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, gas chromatographs include on-site installation, commissioning, calibration and comprehensive operator training by certified chromatography specialists. Site preparation guidance is provided before delivery to ensure gas supply, power, ventilation and environmental requirements are met.
Q10: What types of samples are compatible with this equipment?
A: The gas chromatograph analyzes volatile and semi-volatile organic compounds in liquid, gas and solid samples (after extraction or derivatization) within the column and detector capabilities. Non-volatile or thermally labile compounds are not suitable for GC and may require HPLC. Samples should be properly prepared, filtered and free of non-volatile residues that can contaminate the inlet and column. Users should select appropriate column chemistry and detector for the target analytes, use high-purity carrier and detector gases, perform regular inlet maintenance and column conditioning, calibrate with certified standards, verify system suitability before analytical batches, and follow proper sample preparation techniques including extraction, derivatization and clean-up as needed for the matrix.
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