The observation of rhenium oxide ions (ReO3−, ReO4−, ReO3F−) and rhenium carbide ions (ReC3−, ReC3H−) in negative chemical ionisation mass spectrometry

Bouma, Willem J.; Burke, P.; Jennings, Keith R.

doi:10.1016/0020-7381(80)80011-8

International Journal of Mass Spectrometry and Ion Physics

1980

DOI: 10.1016/0020-7381(80)80011-8

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The observation of rhenium oxide ions (ReO3−, ReO4−, ReO3F−) and rhenium carbide ions (ReC3−, ReC3H−) in negative chemical ionisation mass spectrometry

Willem J. Bouma¹,

P. Burke²,

Keith R. Jennings³

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Cited by 5 publications

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Optimization of the analytical performance of the magnetic sector mass spectrometer for the identification of residual chloramphenicol in shrimp

1994

Biol. Mass Spectrom.

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Chemical noise limits mass spectrometric detection of chloramphenicol (CAP) with electron capture ionization at low resolution, and makes CAP identification at concentrations of 5 parts per billion (ppb) difficult. Increasing the resolution from 1000 to 3500, however, was sufficient to separate the analyte signals from the noise signals, and resulted in a 100 times higher analytical sensitivity. The introduction of sweep gas in the ion source decreased the scattering of the quantitative results on average by a factor of 7, and thereby improved the precision of the analyses to an acceptable level (CV < 10%). Under such conditions, CAP residues of 1.5 and 2.1 ppb in shrimp as determined by electron capture gas chromatography/mass spectrometry can readily be identified by monitoring four diagnostic ions.

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Optimization of the analytical performance of the magnetic sector mass spectrometer for the identification of residual chloramphenicol in shrimp

1994

Biol. Mass Spectrom.

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Mass spectrometry of metal‐organic negative ions

Gregor

Guilhaus

1984

Mass Spectrometry Reviews

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On the mechanism of formation of rhenium compounds in a mass spectrometer with a rhenium filament

Pődör

1983

Vacuum

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The observation of rhenium oxide ions (ReO3−, ReO4−, ReO3F−) and rhenium carbide ions (ReC3−, ReC3H−) in negative chemical ionisation mass spectrometry

Cited by 5 publications

References 4 publications

Optimization of the analytical performance of the magnetic sector mass spectrometer for the identification of residual chloramphenicol in shrimp

Optimization of the analytical performance of the magnetic sector mass spectrometer for the identification of residual chloramphenicol in shrimp

Mass spectrometry of metal‐organic negative ions

On the mechanism of formation of rhenium compounds in a mass spectrometer with a rhenium filament

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