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To improve the accuracy of chemical molecule structure analysis, Gas Chromatography-Mass Spectrometry (GCMS) combines the functions of Gas Chromatography (GC) and Mass Spectrometry (MS). Drug detection, fire investigation, environmental analysis, investigating explosives, and identifying unidentified materials are some applications of GCMS. Utilizing its extensive network of laboratories, Infinita Lab, USA, provides this test to its clients in the USA and other locations.
GCMS is a chemical analysis technique widely used to identify chemical components, contaminants, and trace elements within a specimen. It combines two powerful techniques to separate and analyze constituents of, typically, volatile compounds. In the Gas Chromatography (GC) process, the sample is vaporized and carried over a packed capillary column, where they are separated. Sample constituents are identified by comparing them against reference standards. The components leaving GC are ionized and fragmented as they enter the Mass Spectrometer (MS). A mass analyzer (e.g., a quadrupole detector) separates and analyzes the ionized molecules based on their mass to charge ratio (m/z). Peaks appear as a function of m/z, and these reproducible mass spectra are used to identify the molecules and perform quantitative analysis.
Running GC tandem with multiple, variant MS detector units adds additional fragmentation steps for the sample components. Tandem MS is beneficial for identifying and analyzing targeted molecules, where low detection limits are required. Examples of such variants include GC-MS/MS or GC/MS-TOF (Time of Flight). Options like Selected Ion Monitoring (SIM) in MS are also available for quantitative analysis of trace components in a laboratory.
Infinita Lab is committed to providing the best testing labs facility to our clients based in the USA and across the world. All the tests are done in the best-equipped testing laboratory for utmost client satisfaction.
Video 01: Gas Chromatography-Mass Spectrometry (GC-MS)
Common Uses of Gas Chromatography – Mass Spectrometry (GC-MS)
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Our network of material testing labs, spread across the USA, provides GC-MS testing services to identify different substances in a sample. Infinita Lab team will be happy to assist you with your GC-MS analysis requirements.
GC-MS analysis covers a wide range of tests. The cost of a test depends on the type of the test. Thermal desorption study of materials with gas chromatography-mass spectrometry (GC-MS) starts from $390.
Gas chromatography-mass spectrometry (GC-MS) combines the features of gas-chromatography and mass spectrometry to identify different substances within a sample. GC-MS is used in drug detection, fire investigation, explosives investigation, and identification of unknown samples.
Both GC-MS and LC-MS work on the same principle. However, during the separation process, the gas chromatography-mass spectrometry (GC-MS) technique uses a gas phase to separate analytes, whereas liquid chromatography-mass spectrometry (LC-MS) uses a liquid solvent.
ASTM E572 test method covers the analysis of stainless and alloy steels by Wavelength Dispersive X-ray Fluorescence Spectrometry (WDXRF). It provides rapid, multi-element determinations with sufficient accuracy to assure product quality.
The ASTM D2674 test is a standard test method for the analysis of sulfochromate etch solutions used in the surface preparation of aluminum. The ASTM D2674 standard specifies a method for determining the efficacy of an etchant used to prepare the surface of aluminum alloys for subsequent adhesive bonding.
An immunological method for quantization of Hevea Natural Rubber (HNRL) proteins using rabbit anti-HNRL serum. Rabbits immunized with HNRL proteins react to the majority of the proteins present, and their sera have the capability to detect most if not all the proteins in HNRL.
ASTM G65 measures the resistance of metallic materials to abrasion using the dry sand/rubber wheel apparatus. The quality, durability, and toughness of the sample are determined using this test. Metallic materials are ranked in their resistance to scratching abrasion under a controlled environment.
ASTM E2141 test methods provide accelerated aging and monitoring of the performance of time-dependent electrochromic devices (ECD) integrated in insulating glass units (IGU). This test helps to understand the relative serviceability of electrochromic glazings applied on ECD.
ASTM C724 test method is used in analyzing the quality and ease of maintenance of a ceramic decoration on architectural-type glass. This test method is useful in the acknowledgment of technical standards.
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