Search: GERSTEL CIS 3

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Analysis of Plasticizers in Medical Products by GC-MS with a Combined Thermodesorption - Cooled Injection System

The combination of a new thermodesorption module with a cooled injection system (TDS-2,CIS-3, Gerstel, Mülheim, Germany) now provides a powerful thermodesorption system for direct analysis of volatile trace c ...

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

Breath Analysis from Patients with Metabolic Disorders: GC-MS Analysis with a Combined Thermodesorption - Cooled Injection System

The combination of a new thermodesorption module with a cooled injection system (TDS-2,CIS-3, Gerstel, Mülheim, Germany) now provides a powerful thermodesorption system for direct analysis of volatile trace c ...

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

Direct Thermal Desorption GC/MS Analysis of Automotive Air Charcoal Filters

The analysis of volatile organic contaminants in air trapped on an automotive air charcoal filter is usually carried out using standard liquid extraction followed by GC/MS analysis of the extract. This standa ...

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

Comparison of Standard Liquid Extraction and Direct Thermal Desorption GC/MS Techniques for the Analysis of Charcoal Filters used for Indoor Air Purification in a PCB Contaminated Building

Many buildings constructed from prefabricated elements are widely contaminated with PCB originated in e.g. elastic sealants, which act as permanent sources for several years. Indoor air filtration is part of ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Trace Analysis of PAH´s and PCB´s in Soil through On-Line Direct Thermal Desorption

Thermodesorption is a well-known technique for the analysis of volatile organic contaminants in air and normally employs adsorption on porous polymers. This operation principle can also be adapted for the dir ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Direct Thermal Analysis of Solids – A Fast Method for the Determination of Halogenated Phenols and Anisoles in Cork

Off-flavours in solid samples often cause analytical problems due to the necessity of sample pre-treatment steps such as time consuming extractions followed by reconcentration of the resulting extracts and th ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Design, Performance and Applicability of a Multi-Functional Thermodesorption System for Trace Analysis in Capillary GC

Thermodesorption is a well-known technique for the analysis of volatile organic contaminants in air normally adsorbed on porous polymers and has been previously discussed [1]. This operation principle can als ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Direct Injection of Distilled Spirits with PTV Matrix Removal: The Perfect Splitless Injection?

Distilled spirits are complex mixtures of flavour compounds in an ethanol/water matrix [1]. These compounds originate from the raw materials, and the fermentation, distillation and ageing stages of the produc ...

Resource - Susan Gilbert - 6th Jan 2011 - 0 comments

Determination of Wine Aroma Compounds from Simple Extracts using Automated Large Volume Injection with PTV Solvent Splitting

A combination of sensory testing and analysis of individual chemical species is now regarded as necessary, both for evaluation of wine character and quality as well as for a definite determination of off-flav ...

Resource - Susan Gilbert - 6th Jan 2011 - 0 comments

Determination of Benzene in Aqueous Samples Using Headspace Analysis

The applicability of the Gerstel MPS-2 Headspace (HS) autosampler in combination with an Agilent GC (6890) equipped with a split/splitless inlet and a FID detector for the determination of benzene in the low ...

Resource - Susan Gilbert - 21st Dec 2010 - 0 comments