Search: GERSTEL MPS 2, Application Note

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Fragrance Profiling of Consumer Products using a Fully Automated Dynamic Headspace System

Accurate qualitative and quantitative analysis of perfumed or flavoured products is essential to the flavor and fragrance industry. Especially when unknown samples need to be analysed traditional methods of ...

Resource - Susan Gilbert - 19th Oct 2011 - 0 comments

Application of Selectable 1D/2D GC-Olfactometry/MS to the Analysis of Aroma Compounds in Wine

Identification of trace aroma compounds in complex sample like wine can be challenging. GC-Olfactometry/MS (GC-O/MS) allows not only evaluation of the aroma compounds, but also identification with mass spect ...

Resource - Susan Gilbert - 17th Oct 2011 - 0 comments

Analysis of Off-Flavour Compounds in Water by Automated Dynamic Headspace Coupled to Selectable 1D/2D GC-Olfactometry/MS

The naturally occurring compounds, e.g. 2-methylisoborneol (MIB) and geosmin, have received special attention as musty/earthy off-flavor compounds in drinking water. Also, 2,4,6-trichloanisole (TCA) is a maj ...

Resource - Susan Gilbert - 30th Sep 2011 - 0 comments

Thermal Desorption Analysis of Perfluorinated Cycloalkanes

Client is investigating the use of perfluorinated cycloalkanes to replace compounds, such as sulphur hexafluoride, as tracers for air monitoring applications. He is interested in evaluating GERSTEL thermal d ...

Resource - Susan Gilbert - 27th Sep 2011 - 0 comments

Screening of Diesel Exhaust Components Utilizing Carbotrap Y or Tenax TA Adsorbent Tubes and TDU Thermal Desorption. Part B: Liquid Spiking

Customer is interested in screening diesel exhaust components (toluene, isooctane, C9, C11-C21 straight chain hydrocarbons) utilizing Carbotrap Y adsorbent tubes and TDU thermal desorption. Spiking and analy ...

Resource - Susan Gilbert - 27th Sep 2011 - 0 comments

Screening of Diesel Exhaust Components Utilizing Carbotrap Y Adsorbent Tubes and TDU Thermal Desorption. Part A: Gaseous Sampling

Customer is interested in screening diesel exhaust components (toluene, isooctane, C9, C11-C21 straight chain hydrocarbons) utilizing Carbotrap Y adsorbent tubes and TDU thermal desorption. Light analytes (t ...

Resource - Susan Gilbert - 27th Sep 2011 - 0 comments

Screening of Flavor Volatiles in Exhaled Breath after Food Mastication Utilizing PDMS Foam Tubes, TDU Thermal Desorption and GC-TOFMS

Customer is interested in measuring flavour release characteristics of cream cheese after samples have been tasted. The analytical technique under investigation consists of screening volatiles from exhaled b ...

Resource - Susan Gilbert - 27th Sep 2011 - 0 comments

Screening of Food Volatiles in Exhaled Breath Utilizing PDMS Foam Tubes and TDU Thermal Desorption

Customer is interested in screening the volatiles from exhaled breath utilizing PDMS foam TDU tubes and thermal desorption. The current method involves chewing the sample, exhaling the volatiles into a glass ...

Resource - Susan Gilbert - 27th Sep 2011 - 0 comments

Automating the Analysis of Androstenedione and Testosterone in Serum using a GERSTEL Multi Purpose Sampler Coupled to Liquid Chromatography Tandem Mass Spectrometry Detection

The measurement of testosterone and androstenedione in females may be performed for a variety of reasons. Clinically, patients with androgen excess may present varying degrees of virilisation ranging from mi ...

Resource - Susan Gilbert - 27th Sep 2011 - 0 comments

Elimination of Non-Volatile Sample Matrix Components After GC Injection using a Thermal Desorber and Microvial Inserts

GC analysis of complex sample types containing non-volatile materials normally requires extensive sample preparation and cleanup prior to injection to eliminate the interference from non-volatile components. ...

Resource - Susan Gilbert - 13th Sep 2011 - 0 comments