Hydrolysis and methylationHPLCAnalytical techniquesColumn-chromatographySolventAutosamplersAnalysesSemi-volatileDetectionSpectroscopySpectrometerGCxGCChromatographicVolatilePhotoelectronCombustionPolymersMeasurementsOrganicIonizationAtomicSolidsGreenhouseAnalysisCompoundsTemperatureSpectrometersCapillary ColumnCarbonMethodsQuadrupoleFluidsIdentificationFragmentsInstrumentationSamplesMolecularTypicallyHighInertSmaller moleculesCompositionAssessingSufficientStepProductsStableSpectraSpeciesApplication
Hydrolysis and methylation1
- Micro-Fourier transform infrared spectroscopy (Micro-FTIR) combined with pyrolysis gas chromatography and mass spectrometry with thermal assisted hydrolysis and methylation (THM-Py-GC/MS) were together utilized to characterize and identify the main pigments and organic binding media. (springeropen.com)
HPLC1
- Numerous techniques are used such as high-performance liquid chromatography (HPLC), pyrolysis coupled with gas chromatography and mass spectrometry (PyGC-MS), 13C nuclear magnetic resonance (NMR), and spectroscopic techniques (IR, XPS, EXAFS and XANES). (hal.science)
Analytical techniques8
- Detailed characterization of such highly complex products is difficult and the choice of analytical techniques that can be used is quite limited. (hal.science)
- The painting was examined in 2018 as part of the research project The Girl in the Spotlight using a combination of micro- and macro-scale analytical techniques. (springeropen.com)
- Analytical pyrolysis allows scientists to use routine laboratory instrumentation for analyzing complex, opaque, or insoluble samples more effectively than other analytical techniques alone. (pdfgrip.com)
- The book reviews the types of instrumentation available to perform pyrolysis and offers guidance for interfacing instruments and integrating other analytical techniques, including gas chromatography and mass spectrometry. (pdfgrip.com)
- CanmetENERGY Ottawa's Characterization Laboratory strives to meet the unique needs of Canada's energy technologies through active involvement in standards development and adopting new analytical techniques and methodologies. (canada.ca)
- We provide standardized and specialized analytical services, and use a broad range of spectrometric, chromatographic and classical analytical techniques. (canada.ca)
- Along with in-house-developed test methods, the Characterization Laboratory offers a range of analytical techniques from the following standards committees: the American Society for Testing and Materials (ASTM) , the Canadian General Standards Board (CGSB) , and the International Organization for Standardization (ISO) . (canada.ca)
- We have access to a very wide spectrum of state-of-the-art analytical techniques, including rapid screening methods, fingerprinting and profiling techniques as well as in-depth and sophisticated ones. (imprint-analytics.at)
Column-chromatography1
- A range of clean-up techniques can be performed to prepare samples prior to GC analysis such as sonication, Soxhlet/Soxtec™, liquid-liquid extraction, microwave and accelerated solvent extraction (ASE), column chromatography, and solid phase extraction (SPE). (ncl.ac.uk)
Solvent2
- Various techniques may be employed, such as mass spectrometry, scattering techniques (small-angle X-ray and neutron scattering), pulsed-field gradient nuclear magnetic resonance (PFG-1H NMR), as well as different separation methods (ultracentrifugation, solvent separation and size-exclusion chromatography). (hal.science)
- For the solid components, the analysis is carried our throughout grassing or desorption, solvent extraction or pyrolysis. (neovecchiostile.com)
Autosamplers2
- The facility boasts a wide range of equipment from multiple manufacturers covering instrumentation in gas chromatography such as comprehensive multi-dimensional gas chromatography, PTV injectors, autosamplers, thermal desorbers and pyrolysers. (anthias.co.uk)
- The environmental mass spectrometry laboratory can perform both routine and bespoke GC and GC-MS analysis with integrated liquid and pyrolysis autosamplers, and gas sampling valves. (ncl.ac.uk)
Analyses3
- I like to combine experimental plant studies with research tools from various disciplines such as compound-specific isotope analyses (LC- & GC-IRMS, IRIS & CRDS), plant physiological measurements (gas-exchange & leaf traits), plant molecular biology (plant mutants), and biochemical approaches (enzyme activities, compound concentrations). (slf.ch)
- Gas Chromatography Mass Spectrometry analyses works on fluids, solid and gaseous samples but are primarily limited to semi volatile and volatile chemicals. (neovecchiostile.com)
- Gas Chromatography Mass Spectrometry analyses are performed on liquids, gases or solids. (spectrophotometers.com)
Semi-volatile1
- We use gas chromatography (GC) to resolve complex mixtures of gases, and volatile and semi-volatile compounds, coupled with mass spectrometry (GC-MS) and other detectors such as flame ionisation (FID) and electron capture (ECD). (ncl.ac.uk)
Detection6
- Gas Chromatography Mass Spectrometry GC-MS unite two powerful techniques to be able to offer the identification of substances that have low detection limits and possible necessary for quantitative analysis. (neovecchiostile.com)
- The ions once generated are passed through a skimmer, isobaric interference ions are often removed by means of a collision cell prior to mass spectrometry detection, mass analysers are often quadrupole or magnetic sector based. (anthias.co.uk)
- Modern flight-capable mass spectrometers, in combination with various sample processing, separation, and ionization techniques enable sensitive detection of chemical biosignatures. (frontiersin.org)
- Here, we delve into the search for extraterrestrial chemical and morphological biosignatures and examine several possible approaches to agnostic life detection using mass spectrometry. (frontiersin.org)
- Oligosaccharide fingerprinting employing high performance anion exchange liquid chromatography with pulsed amperometric detection (HPAE-PAD). (chipsbooks.com)
- Oligosaccharide fingerprinting employing capillary gas chromatography with flame ionization detection. (chipsbooks.com)
Spectroscopy2
- analytical pyrolysis - gas chromatography - mass spectrometry (Py-GC/MS) with micro UVirradiator system, - Vocus 2R CI-TOF mass spectrometer, - Bruker Avance NEO 500 Solid State NMR Spectrometer, - Thermogravimetric Analyzer-Gas chromatography/Mass spectrometer TGA-GC/MS - TGA8000-Claurus 690 GC/Claurus SQ 8T MS + - Thermogravimetric Analyzer/Fourier Transform Infrared Spectroscopy TGA/FTIR - Q5000 IR (TA Instruments)/Cary 640 (Agilent Technologies). (summerschoolsineurope.eu)
- The techniques available for composition determination of homopolymers and copolymers and other recent modern techniques such as X-ray photoelectron spectroscopy, atomic force microscopy, microthermal analysis and scanning electron microscopy and energy dispersive analysis using X-rays are also included. (chemtec.org)
Spectrometer3
- The laboratory also has LC-MS systems and a thermogravimetric analyser interfaced to a mass spectrometer (TGA-MS). (ncl.ac.uk)
- The Netzsch Jupiter STA 449C is a thermogravimetric analyser interfaced to an Aeolos QMS 403 quadrupole mass spectrometer. (ncl.ac.uk)
- A variety of mass spectrometer types, including magnetic sector, quadrupole, time-of-flight, and ion trap, have and will continue to deepen our understanding of the formation and evolution of exploration targets like the surfaces and atmospheres of planets and their moons. (frontiersin.org)
GCxGC2
- On the other hand, comprehensive two-dimensional gas chromatography/high resolution time-of-flight mass spectrometry (GCxGC/HRTOFMS) is a well-known technique that provides high chromatographic separation by using two different polarity GC columns. (jeolusa.com)
- In this application note, the additives were identified within a commercially available molded polymer by using pyrolysis (PY)/GCxGC/HRTOFMS. (jeolusa.com)
Chromatographic3
- The stratigraphy of the background was determined from samples mounted as cross-sections, and its material composition was analysed using electron microscopy and chromatographic techniques. (springeropen.com)
- In order to do this, the chromatographic coupling technique of liquid and gas chromatography (LC-GC) is used. (labratry.de)
- labRATry already offers countless basic functions in order to quickly and precisely process chromatographic and mass spectrometric data. (labratry.de)
Volatile1
- Malgré leur nature non volatile, j'ai découvert qu'ils pouvaient être indirectement identifiés en combinant ces différentes techniques. (ipsl.fr)
Photoelectron1
- A chemical interaction between cellobiose and the resin (e.g. grafting of siloxane fragments onto the cellobiose) was established by using various physicochemical analysis techniques: nuclear magnetic resonance (NMR), photoelectron spectrometry (XPS), electronic paramagnetic resonance (EPR), Flash pyrolysis-gas chromatography-mass spectrometry (FP/GC/MS) and IR. (oskar-bordeaux.fr)
Combustion3
- This X-ray technique is a non-destructive method of analysis used to identify diverse crystalline phases in metallurgical coal, combustion residues, catalysts, etc. (canada.ca)
- Scientists can provide authoritative advice on the development of improved catalytic, coking and combustion processes through advanced techniques like XRD and SEM/EDX. (canada.ca)
- Intermediate NH2 radicals, forming during the pyrolysis of ammonia during tobacco combustion, may react with aromatic CH groups (from compounds already present in the tobacco leaves) to form the AAs (Patrianakos, C., et. (cdc.gov)
Polymers1
- Mass Spectrometry of Synthetic Polymers. (wikipedia.org)
Measurements1
- Additionally, when this technique is used with high resolution mass measurements, it can be a powerful tool for estimating elemental compositions of analytes found within a complex mixture. (jeolusa.com)
Organic6
- A collection of more than 70 synthetic organic pigments were analysed using pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS). We report on the analysis of diketo-pyrrolo-pyrrole, isoindolinone and perylene pigments which are classes not previously reported as being analysed by this technique. (northumbria.ac.uk)
- The technique was successfully applied to the analysis of paints used by the artist Francis Bacon (1909-1992), to simultaneously identify synthetic organic pigments and synthetic binding media in two samples of paint taken from Bacon's studio and micro-samples taken from three of his paintings and one painting attributed to him. (northumbria.ac.uk)
- Pyrolysis gas chromatography mass spectrometry (py-GC-MS) was used to confirm the identity of organic materials within the painted regions. (buffalostate.edu)
- The polymer-like organic material in the Orgueil (Cl) chondrite was analyzed by high vacuum pyrolysis/gas chromatography/mass spectrometry, a new technique specially developed for this type of polymer analysis. (arizona.edu)
- Gas chromatography is performed on fuels and related products for organic speciation. (canada.ca)
- The analytical pyrolysis - coupled with gas chromatography and mass spectrometry (Py-GC/MS) - is magnificently suited in order to characterise organic solids such as micro-plastics, synthetics, dyes, resins, textiles, coatings, oils, sediments, pulps and woods. (labratry.de)
Ionization1
- Developments in the application of new ionization and new separation techniques that have become standard analytical mass spectrometric capabilities. (astm.org)
Atomic3
- Inductively coupled plasma - mass spectrometry employs an ICP ion source to generate atomic ions of the sample under investigation. (anthias.co.uk)
- Flame emission and atomic absorption spectrometry (FES and AAS). (chipsbooks.com)
- Atomic emission spectrometry (AES). (chipsbooks.com)
Solids1
- Gas Chromatography Mass Spectrometry analysis is done on gases, fluids and solids. (neovecchiostile.com)
Greenhouse2
- Precise ice core timescales are key to studying the mechanisms linking changes in the Earth's orbit to the diverse climatic responses (temperature and atmospheric greenhouse gas concentrations). (copernicus.org)
- Greenhouse gases emissions are contributing to global warming and it is essential to better understand where they originate from and how they are transported. (copernicus.org)
Analysis8
- Pyrolysis-gas chromatography-mass spectrometry is a method of chemical analysis in which the sample is heated to decomposition to produce smaller molecules that are separated by gas chromatography and detected using mass spectrometry. (wikipedia.org)
- The main advantage is that no dedicated instrument has to be purchased and pyrolysis can be performed as part of routine GC analysis. (wikipedia.org)
- The challenged and inner glove surfaces were examined by attenuated total reflectance Fourier transform infrared (ATR-FTIR) analysis also to assess if this technique had the sensitivity and selectivity to detect surface residues of pesticides. (cdc.gov)
- A novel methylation derivatization method for δ18O analysis of individual carbohydrates by gas chromatography/pyrolysis-isotope ratio mass spectrometry. (slf.ch)
- Applied Pyrolysis Handbook, Second Edition is a practical guide to the application of pyrolysis techniques to various samples and sample types for a diversity of fields including microbiology, forensic science, industrial research, and environmental analysis.This second edition incorporates recent technological advances that increase the technique's sensitivity to trace elements, improve its reproducibility, and expand its applicability. (pdfgrip.com)
- We have over 30 years of experience in geological, soil and sediment, and gas sample analysis. (ncl.ac.uk)
- The environmental mass spectrometry laboratory has over 30 years of experience in the analysis of soil and sediments, and gas samples. (ncl.ac.uk)
- Pyrolysis is yet another sampling technique employed for the analysis of substances which are impossible to be injected into Gas chromatogram Mass Spectrometry. (neovecchiostile.com)
Compounds4
- Pyrolysis gas chromatography is useful for the identification of involatile compounds. (wikipedia.org)
- The odor characteristics of the pyrrolyl esters obtained were examined by gas chromatography-mass spectrometry-olfactometry (GC-MS-O). Among them, compounds of benzhydryl 1H-pyrrole-2-carboxylate (3j), butyl 1H-pyrrole-2-carboxylate (3k) and pentyl 1H-pyrrole-2-carboxylate (3l) present sweet and acid aroma. (bvsalud.org)
- A range of column types are available for gas, polar and non-polar compounds to provide optimised separation of complex matrices backed up by the knowledge and experience of the technical staff. (ncl.ac.uk)
- In the usual Mass spectrometry step of GC-MS, compounds leaving the GC column are fragmented by electron impact. (spectrophotometers.com)
Temperature3
- Besides the usage of dedicated pyrolyzers, pyrolysis GC of solid and liquid samples can be performed directly inside programmable temperature vaporizer (PTV) injectors that provide quick heating (up to 60 °C/s) and high maximum temperatures of 600-650 °C. This is sufficient for many pyrolysis applications. (wikipedia.org)
- Since benomyl tended to decompose to the animal carcinogen carbendazim in water and folpet required strict column temperature control conditions to prevent on-column pyrolysis, captan which did not decompose in water or on-column was selected for further method development with a portable ATR-FTIR, the TravelIR. (cdc.gov)
- Changes in the distribution of polymer fragments occurred during high vacuum pyrolyses as the temperature was increased stepwise from 150° to 600°C. These changes imply a progressive alteration in the character of the polymeric material toward a condensed aromatic structure through the preferential loss of aliphatic and heteroaromatic portions at lower temperatures. (arizona.edu)
Spectrometers1
- Typically, these studies are performed with high-resolution isotope ratio mass spectrometers (IRMSs) along with a changeover-valve-based dual-inlet system (DIS). (copernicus.org)
Capillary Column2
- Under Gas Chromatography, a sample is carried and volatilized and carried from the inter gases via a coated glass Capillary Column. (neovecchiostile.com)
- In Gas Chromatography (GC), a sample is volatilized and carried by an inert gas through a coated glass capillary column. (spectrophotometers.com)
Carbon1
- Treatment of cellulose yarns by a polysiloxane followed by a fast pyrolysis step gave carbon fibres exhibiting strong enhancement of their mechanical resistance. (oskar-bordeaux.fr)
Methods1
- Conventional processing methods of CFA are known to pose significant environmental challenges, including the leaching of hazardous materials, emission of toxic gases, and the high energy consumption needed to extract the value-added components. (researchgate.net)
Quadrupole1
- Ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-Q-TOF-MS) revealed the source of coloring matter. (springeropen.com)
Fluids1
- For gases and fluids, the samples are usually injected right into the Gas Chromatogram. (neovecchiostile.com)
Identification2
- In this article, a piece of calligraphy tie luo is studied for its materials and making technique identification before its restoration. (springeropen.com)
- The Flavour & Fragrance module from labRATry is precisely specialised for the issues that arise in this area: Set-up of raw material mass spectra and chromatogram databases, the quality control for purchased or manufactured raw materials as well as the identification of the composition of complex aromas, e.g. in order to differentiate from one's competitors. (labratry.de)
Fragments2
- These fragments can be separated by gas chromatography. (wikipedia.org)
- To increase the volatility of polar fragments, various methylating reagents can be added to a sample before pyrolysis. (wikipedia.org)
Instrumentation1
- This program aims to offer access to dfferent advanced instrumentation and to help the student understand the potentialities of this peculiar equipment and of a multi-technique approach to characterise a material of interest. (summerschoolsineurope.eu)
Samples2
- Pyrolysis gas chromatography is also used for environmental samples, including fossils. (wikipedia.org)
- I worked on a specific set of instruments present in the analytical chemistry payload of the Viking, Curiosity, and Rosalind Franklin surface probes to analyze in situ the molecular composition of Mars surface samples: Gas Chromatography-Mass Spectrometry (GC-MS). (ipsl.fr)
Molecular1
- The main parameters that can define the colloidal structure are the molecular weight and the mass or size polydispersity of aggregates. (hal.science)
Typically1
- Pyrolysis GC chromatograms are typically complex because a wide range of different decomposition products is formed. (wikipedia.org)
High1
- The Open University provides Anthias Consulting with the Training Facility for the high-quality, affordable, instrument-independent training courses that can boost your knowledge, confidence and results in all aspects of gas chromatography and GC-MS. These courses have a strong practical focus which can be applied the instant you return to your lab and are applicable to all levels of experience. (anthias.co.uk)
Inert1
- Pyrolysis is the thermal decomposition of materials in an inert atmosphere or a vacuum. (wikipedia.org)
Smaller molecules1
- These smaller molecules are subsequently introduced at the Gas Chromatogram and examined from the GC-MS. By this process, probe temperatures of around 1400ºC may be used. (neovecchiostile.com)
Composition1
- J'ai travaillé sur un ensemble spécifique d'instruments présents dans la charge utile des sondes martiennes Viking, Curiosity et Rosalind Franklin afin d'analyser la composition moléculaire des échantillons de la surface de Mars : la chromatographie en phase gazeuse couplée à la spectrométrie de masse (GC-MS). J'ai d'abord testé l'influence des sels de chlorure et d'une matrice de phyllosilicate sur la préservation des composés organiques soumis aux rayonnements UV. (ipsl.fr)
Assessing1
- An important impetus for the continuing exploration of Mars, Europa, Enceladus, Titan, and Venus involves assessing the habitability of solar system bodies and, ultimately, the search for life-a monumental effort that can be advanced by mass spectrometry. (frontiersin.org)
Sufficient1
- Thus, at least for captan, the sensitivity and selectivity of quantitation for ATR-FTIR are sufficient for use as a feasible field screening technique. (cdc.gov)
Step1
- Under usual Mass Spectrometry or MS step below the Gas Chromatography Mass Spectrometry, the chemicals leaving the GC columns are fragmented by the electron impact. (neovecchiostile.com)
Products1
- The members of each class were found to fragment in a consistent way and the pyrolysis products are reported. (northumbria.ac.uk)
Stable1
- Poster Annual Meeting Stable Isotope Spectrometry Users Group (SIMSUG), Bristol, UK, 14-16 April 2003. (rothamsted.ac.uk)
Spectra1
- They include the highly-automated removal of background noise, drift correction (alignment), peak deconvolution, weight sample standardisation, but also the comparison of fingerprints directly with each other or against mass spectra and/or chromatogram databases that have been created. (labratry.de)
Species1
- ABSTRACT The complete mitogenome of Corydoras nattereri , a species of mailed catfishes from southeastern Brazil, was reconstructed using next-generation sequencing techniques. (scielo.org)
Application1
- Our Pyrolysis-GC/MS training course is a 3-day program delivered at our application lab and training center in The Woodlands, Texas. (lqa.com)