Microwave spectroscopy: the design of an analytical spectrometer

Cuthbert, J; Denney, E J; Silk, C; Stratford, R; Farren, J.; Jones, Tammy L.; Pooley, David T.; Webster, R.; Wells, F H

doi:10.1088/0022-3735/5/7/028

Cited by 6 publications

(1 citation statement)

References 23 publications

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“…Other techniques such as urea adduction (1) infrared absorbance (2) the determination of -paraffins in crude oil by differential gas chromatography (3, 4), infrared internal reflection spectrometry (5), and combinations of these (6, 7) have been used; but these methods are time-consuming, resolve compounds only partially, require special instrumentation, and are applicable only with relatively large samples. Mass spectrometry (8) and the recently developed microwave spectroscopy (9) give more information than gas chromatography on high-efficiency columns, but the instrumentation is costly and temperamental.…”

mentioning

confidence: 99%

Identification of petroleum products in natural water by gas chromatography

Dell'acqua¹,

Bush²

1975

Environ. Sci. Technol.

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mentioning

confidence: 99%

Identification of petroleum products in natural water by gas chromatography

Dell'acqua¹,

Bush²

1975

Environ. Sci. Technol.

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New Techniques in Microwave Spectroscopy

Shipman¹,

Pate²

2011

Handbook of High‐resolution Spectroscopy

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We discuss the design principles and performance of a true broadband chirped‐pulse Fourier transform microwave spectrometer capable of operation from 800 MHz to 18.5 GHz. This spectrometer utilizes recent advances in high‐speed digital electronics to both directly generate linear frequency sweeps spanning more than 10 GHz and to directly digitize the molecular free induction decay (FID). Signal averaging is performed in the time domain to improve the signal‐to‐noise ratio. This spectrometer has a number of capabilities that are well suited for studies on large‐molecule systems, including the ability to perform multiplexed Stark effect measurements and selective‐excitation microwave double‐resonance measurements. These characteristics are demonstrated using the molecule 1,2,2,2‐tetrafluoroethyl difluoromethyl ether (C 3 H 2 F 6 O, molecular weight 168 g mol −1 , also known by its trade names of suprane or desflurane ) as an example. The simultaneous use of multiple‐pulsed nozzles as well as the acquisition of multiple FIDs per valve pulse is also demonstrated in the context of strategies for increasing spectrometer sensitivity by 2 orders of magnitude.

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Qualitative und quantitative Analysen von Gasgemischen durch Mikrowellenspektroskopie

Zeil

1978

Z. Anal. Chem.

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Microwave spectroscopy: the design of an analytical spectrometer

Cited by 6 publications

References 23 publications

Identification of petroleum products in natural water by gas chromatography

Identification of petroleum products in natural water by gas chromatography

New Techniques in Microwave Spectroscopy

Qualitative und quantitative Analysen von Gasgemischen durch Mikrowellenspektroskopie

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