Comparison of analytical performances of a micro‐array quadrupole instrument and a conventional quadrupole mass spectrometer equipped with membrane inlets

Ketola, Raimo A.; Kiuru, Jari; Tarkiainen, Virpi; Kotiaho, Tapio; Сысоев, А. А.

doi:10.1002/rcm.973

Cited by 17 publications

(11 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to instabilities caused by swelling of the membrane when exposed to organic solvents we did not perform tests of its use for the analysis of contaminants in organic solutions. Our results with the standard silicone membrane are comparable with those found by Ketola et al 27. in the only other reported study, as far as we know, where the Multipole has been used with a membrane inlet.…”

Section: Results An Discussionsupporting

confidence: 92%

Die Stärken fluorogener Sonden

Nadler

Schultz

2013

Angewandte Chemie

View full text Add to dashboard Cite

show abstract

Section: Results An Discussionsupporting

confidence: 92%

Die Stärken fluorogener Sonden

Nadler

Schultz

2013

Angewandte Chemie

View full text Add to dashboard Cite

show abstract

“…Vacuum is maintained in this system with a turbomolecular pump (Varian Turbo-V70, 70 L/s N 2 ) backed by a 40 L/min mechanical pump. The system unit has dimensions of 50 × 40 × 30 cm 3 , not including the mechanical pump. The pressure in the mass spectrometer with the membrane introduction interface in place is ≤ 1.3 × 10 −6 Torr.…”

Section: Methodsmentioning

confidence: 99%

“…[1][2][3] Because of their high chemical specificity and exquisite sensitivity, molecular weights and structural information are both available through the appropriate choice of ionization methodology, which means they provide unambiguous identification of sample components. The mass spectrometer of choice is generally a quadrupole device, [4][5][6] an ion trap, [7][8][9] or less frequently, a magnetic sector instrument.…”

Section: Introductionmentioning

confidence: 99%

Membrane Inlet-based Portable Time-of-flight Mass Spectrometer for Analysis of Air Samples

Kim¹,

Jung²,

Yoo³

et al. 2005

Bulletin of the Korean Chemical Society

View full text Add to dashboard Cite

A miniaturized time-of-flight mass spectrometer with an electron impact ionization source and sheet membrane introduction has been developed. The advantages and features of this mass spectrometer include high sensitivity, simple structure, low cost, compact volume with field portability, and ease of operation. A mass resolution of 400 at m/z 78 has been obtained with a 25 cm flight path length. Under optimized conditions, the detection limits for the volatile organic compounds (VOCs) studied were 0.2-10 ppm by volume with linear dynamic ranges greater than three orders of magnitude. The response times for various VOCs using a silicone membrane of 127 µm thickness were in the range 4.5-20 s, which provides a sample analysis time of less than 1 minute. These results indicate that the membrane introduction/time-of-flight mass spectrometer will be useful for a wide range of field applications, particularly for environmental monitoring.

show abstract

“…Membrane inlet mass spectrometry (MIMS) has come into widespread use for the direct sampling and mass analysis of volatile organic compounds (VOCs) at trace levels in water and air [1][2][3][4][5][6][7]. MIMS allows the direct introduction of specific components of a liquid or gas sample into a mass spectrometer.…”

Section: Introductionmentioning

confidence: 99%