Gas Chromatography Mass Spectrometry Gc Ms

Introduction

Gas chromatography mass spectrometry (GC-MS) is an analytical technique that combines the separation of the gas chromatography with the detection and the identification of the mass spectrometry, and it is used in the environmental, the food, the forensic, the pharmaceutical, the clinical, and the many other applications. In the GC-MS, the sample is vaporized and separated by the gas chromatography (GC), and the separated compounds are introduced into the mass spectrometer, in which the compounds are ionized, separated by the mass-to-charge ratio, and detected, and the technique provides the high sensitivity and the selectivity for the identification and the quantification of the volatile and the semi-volatile compounds; the GC-MS system consists of a gas chromatograph, an interface, an ionization source, such as the electron ionization (EI), a mass analyzer, such as the quadrupole, a detector, and a data system, and it is used for the analysis of the organic compounds, for the analysis of the environmental contaminants, such as the pesticides and the pollutants, for the analysis of the flavors and the fragrances, for the forensic analysis, for the drug testing, and for many other applications, with features such as the spectral libraries; the GC-MS is an essential analytical technique in the modern laboratories. GC-MS systems are used in the environmental laboratories, in the food industry, in the forensic laboratories, in the pharmaceutical industry, and for many other applications. With their combination, GC-MS systems are essential for the sensitive analysis of the volatile compounds.

Gas Chromatography-Mass Spectroscopy T-S210GMS

Gas Chromatography-Mass Spectroscopy features an injection port temperature of up to 450 °C. It features electronic flow and pressure control with a range of 0 psi to 100 psi, ensuring ...

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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. Combines gas chromatography separation with mass spectrometry detection for complex mixture analysis.

2. Supports qualitative identification and quantitative measurement of volatile and semi-volatile compounds.

3. Available with EI and CI ionization sources for broad compound coverage and structural confirmation.

4. Software supports mass spectral library searching, quantitation and regulatory-compliant data management.

5. Suitable for environmental, food safety, pharmaceutical and forensic analysis applications.

FAQ

Q1: What testing scenarios is this instrument mainly applied to?

A: The GC-MS system is used in environmental monitoring, food safety testing, pharmaceutical quality control, forensic toxicology and chemical research for identification and quantitation of volatile and semi-volatile organic compounds. It supports pesticide residue analysis in food, environmental pollutant monitoring, drug impurity profiling, forensic drug identification, fragrance and flavor analysis, and petroleum product characterization. The combination of chromatographic separation and mass spectral detection provides high selectivity and sensitivity for complex matrices where GC alone cannot confirm compound identity.

Q2: What standards does the instrument comply with?

A: The system supports analytical methods referenced in EPA methods for environmental analysis, EU and GB standards for pesticide residues, USP and EP monographs for pharmaceutical impurities, and relevant ASTM methods. The hardware complies with IEC 61010 laboratory safety standards. Electronic records may be configured for 21 CFR Part 11 compliance.

Q3: What is the warranty period for the whole machine and key components?

A: Standard warranty is 12 months from commissioning. The mass analyzer, detector, GC oven and control system are covered, while columns, liners, syringes and calibration standards are consumables excluded from warranty. Extended warranty and service contracts are available for this high-value system.

Q4: Is this device difficult to operate? Is professional training required?

A: GC-MS operation requires specialist training in chromatography, mass spectrometry and method development. We provide structured operator training, application support and method consultation. Routine use by trained analysts is supported by software wizards and standard operating procedures.

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: Mass calibration and tuning should be performed according to the manufacturer schedule, typically per analytical batch for quantitative work. System suitability testing with reference standards before each batch is required for regulated methods. Annual preventive maintenance by a certified engineer is strongly recommended.

Q7: Are supporting consumables universal? What about the long-term procurement cost?

A: GC columns, liners, syringes and calibration standards are available from multiple qualified suppliers, though original columns and ion source parts are recommended for optimal performance. Long-term consumable and service cost is significant and should be included in the annual laboratory budget.

Q8: Can I customize parameters or supporting accessories?

A: Customization includes ionization source, mass range, detector type, autosampler capacity and software modules. Custom orders require detailed application discussion and extend lead-time. Users should define target analytes, matrices and sensitivity requirements before configuration.

Q9: Does the purchase include on-site installation and commissioning service?

A: Yes, GC-MS systems include on-site installation, commissioning and operator training by a certified application specialist. Site preparation guidance is provided before delivery to ensure the laboratory meets power, ventilation and environmental requirements.

Q10: What types of samples are compatible with this equipment?

A: The system analyzes volatile and semi-volatile organic compounds amenable to gas chromatography. Samples must be properly extracted and prepared for injection. Non-volatile, thermally labile or highly polar compounds may require derivatization or alternative techniques such as LC-MS. High-boiling or residue-heavy samples can contaminate the ion source and require frequent maintenance.