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   Articles with "quadrupole mass" as a keyword



Routine quantification of 54 allergens in fragrances using comprehensive two‐dimensional gas chromatography‐quadrupole mass spectrometry with dual parallel secondary columns. Part I: Method development

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recommendations! Published in 2018 at "Flavour and Fragrance Journal"

DOI: 10.1002/ffj.3416

Abstract: The forthcoming extension of the regulated fragrance allergen number is raising a challenge: the previously developed quantification methods need to be drastically improved in terms of rapidity, without altering their reliability. This work describes a… read more here.

Keywords: gas chromatography; secondary columns; gas; parallel secondary ... See more keywords

Influence of the RF drive potential on the acceptance behavior of pure quadrupole mass filters operated in stability zones A and B

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recommendations! Published in 2020 at "International Journal of Mass Spectrometry"

DOI: 10.1016/j.ijms.2020.116303

Abstract: Abstract The quadrupole acceptance of sinusoidal mass filters has been an area of interest for over fifty years. More recently, frequency dynamic rectangular waveform driven mass filters (colloquially digital mass filters) have been demonstrated. The… read more here.

Keywords: mass; mass filters; stability zones; acceptance behavior ... See more keywords
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Coupling a Gaussian input beam to a quadrupole mass filter with round rods

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recommendations! Published in 2021 at "International Journal of Mass Spectrometry"

DOI: 10.1016/j.ijms.2020.116454

Abstract: Abstract We consider an input ion beam that has Gaussian distributions of the initial ion coordinates and transverse velocities at the entrance of a quadrupole mass filter (QMF) with round rods. To calculate the statistical… read more here.

Keywords: round rods; mass; ion; mass filter ... See more keywords
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Analysis of electric fields in mass spectrometry

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recommendations! Published in 2021 at "International Journal of Mass Spectrometry"

DOI: 10.1016/j.ijms.2021.116620

Abstract: Abstract Analysis of two-dimensional and, in particular, three-dimensional fringing electric fields in quadrupole mass spectrometers is a challenging task. In this work, we consider an analytical approach for such analysis. We show how to obtain… read more here.

Keywords: quadrupole mass; mass spectrometry; mass; analysis ... See more keywords

Remarks concerning about the characteristics of the extractor vacuum gauge and the Quadrupole Mass Spectrometer

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recommendations! Published in 2019 at "Measurement"

DOI: 10.1016/j.measurement.2018.08.043

Abstract: Abstract In this study, the stability of an extractor gauge (EXG) was investigated through the determination of correction factors (CFs) over a pressure range 5 × 10−5 Pa to 9 × 10−3 Pa by using a Spinning Rotor Gauge (SRG) traceable… read more here.

Keywords: quadrupole mass; mass spectrometer; gauge; metrology ... See more keywords

Initial SAM calibration gas experiments on Mars: Quadrupole mass spectrometer results and implications

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recommendations! Published in 2017 at "Planetary and Space Science"

DOI: 10.1016/j.pss.2017.01.014

Abstract: Abstract The Sample Analysis at Mars (SAM) instrument suite of the Mars Science Laboratory (MSL) Curiosity rover is equipped to analyze both martian atmospheric gases and volatiles released by pyrolysis of solid surface materials, with… read more here.

Keywords: initial sam; mass spectrometer; calibration; quadrupole mass ... See more keywords

Analysis of brominated flame retardants and their derivatives by atmospheric pressure chemical ionization using gas chromatography coupled to tandem quadrupole mass spectrometry.

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recommendations! Published in 2017 at "Talanta"

DOI: 10.1016/j.talanta.2016.10.060

Abstract: A validated method using an atmospheric pressure chemical ionization source for coupling gas chromatography (GC-APCI) to tandem quadrupole mass spectrometry (MS/MS) for the determination of brominated flame retardants (BFRs) is presented. Polybrominated diphenyl ethers (PBDEs),… read more here.

Keywords: gas chromatography; pressure chemical; tandem quadrupole; quadrupole mass ... See more keywords

Comprehensive Determination of Unregulated Pesticide Residues in Oregon Cannabis Flower by Liquid Chromatography Paired with Triple Quadrupole Mass Spectrometry and Gas Chromatography Paired with Triple Quadrupole Mass Spectrometry

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recommendations! Published in 2019 at "Journal of Agricultural and Food Chemistry"

DOI: 10.1021/acs.jafc.9b01559

Abstract: A comprehensive multiresidue pesticide analysis for Cannabis flower matrices using quick, easy, cheap, effective, rugged, and safe (QuEChERS) sample preparation, liquid chromatography paired with triple quadrupole mass spectrometry (LC–MS/MS), and gas chromatography paired with triple… read more here.

Keywords: paired triple; quadrupole mass; mass spectrometry; triple quadrupole ... See more keywords

Assessment of a Single Quadrupole Mass Spectrometer Combined with an Atmospheric Solids Analysis Probe for the On-Site Identification of Amnesty Bin Drugs

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recommendations! Published in 2024 at "Journal of the American Society for Mass Spectrometry"

DOI: 10.1021/jasms.4c00064

Abstract: The surging number of people who abuse drugs has a great impact on healthcare and law enforcement systems. Amnesty bin drug analysis helps monitor the “street drug market” and tailor the harm reduction advice. Therefore,… read more here.

Keywords: single quadrupole; analysis; quadrupole mass; site ... See more keywords

First results of laser-induced desorption - quadrupole mass spectrometry (LID-QMS) at JET

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recommendations! Published in 2024 at "Nuclear Fusion"

DOI: 10.1088/1741-4326/ad52a5

Abstract: The paper reports the first demonstration of in situ laser-induced desorption — quadrupole mass spectrometry (LID-QMS) application on a large scale fusion device performed in summer 2023. LID-QMS allows direct measurements of the fuel inventory… read more here.

Keywords: desorption quadrupole; quadrupole mass; laser induced; lid qms ... See more keywords

Chaotic shadow of a non-Kerr rotating compact object with quadrupole mass moment

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recommendations! Published in 2018 at "Physical Review D"

DOI: 10.1103/physrevd.98.104040

Abstract: We have studied numerically the shadows of a non-Kerr rotating compact object which belongs to Manko-Novikov family. The non-integrable photon motion caused by quadrupole mass moment affects sharply the shadow of the compact object. As… read more here.

Keywords: mass moment; shadow; compact object; quadrupole mass ... See more keywords