Search: Chemical Sensor

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Fast Analysis of Food and Beverage Products using a Mass Spectrometry Based Chemical Sensor

In this study, different food and beverage samples were analysed without chromatographic separation by direct transfer of their analytes into a mass spectrometer or by disregarding chromatographic separation. ...

Resource - Susan Gilbert - 25th Jan 2011 - 0 comments

Comparison of Headspace Sampling and Stir Bar Sorptive Extraction in the Detection of Whiskey Adulteration with a Mass-Spectrometry Based Chemical Sensor

Verification of authenticity is a crucial aspect of food quality control. In particular, alcoholic beverages have been targets of numerous adulteration schemes. Addition of caramel colouring, water and lesser ...

Resource - Susan Gilbert - 25th Jan 2011 - 0 comments

Design and Characterization of a New Interface for a Mass Spectrometer Based Chemical Sensor

A new revised interface for the direct coupling of sample introduction systems to a Mass Selective Detector (MSD) has been designed. The new setup provides less potential air leaking problems by reducing the ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Fast Analysis of Beverages using a Mass Spectral Based Chemical Sensor

Detection of adulteration, contamination or inconsistencies in food and flavour samples should be accurate and fast. Chemical sensors are ideal for these types of applications because they provide fast measur ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Classification of Coffees from Different Origins by Chemical Sensor Technology

Digital odour characterization, such as chemical sensor technology or mass spectrometry-based electronic nose (MS-based e-nose), can be very useful for the classification of Arabica and Robusta varieties with ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Wine Discrimination using a Mass Spectral Based Chemical Sensor

Verification of authenticity is a crucial aspect of food quality control, and also important to regulatory organizations. In this study, two wines of known pure varietal along with some commercial wines were ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Use of Calibration Transfer Algorithms on a Mass Spectrometry Based Chemical Sensor – Preliminary Results

A benefit of using a mass spectral based chemical sensor samples. The mass spectra from the standards are used to create chemometric models and classification of unknown samples are obtained by projecting the ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Discrimination of Soft Drinks using a Chemical Sensor and Principal Component Analysis

A new technique that uses a chemical sensor coupled with multivariate analysis is evaluated and applied to discriminate soft drinks from different vendors. The headspace volatiles of different cola samples w ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Classification of Food and Flavor Samples using a Chemical Sensor

A mass spectrometry based chemical sensor consisting of a headspace autosampler directly coupled to a quadruple mass spectrometer was used in three different food and flavour applications; strawberry flavours ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments