Search: PCBs, GERSTEL

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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

Automated SPE and Fast GC-ECD Analysis of PCBs in Waste Oil

A fast SPE-GC-ECD method for the analysis of PCBs in waste oil was developed. A complete profile was obtained following SPE with a 12 minute GC run-time using a modular accelerated column heater (MACH). Full ...

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

Sorptive Extraction – Thermal Desorption – CGC-MS A Versatile Method to Monitor 440 Pesticides in Fruits, Vegetables and Beverages

More than 600 pesticides are currently used and can be present as contaminant: apolar – medium polar – polar – ionic – thermostable – thermolabile. Download file  ...

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

Determination of PCB, PAH and Chlorophenols in Water using Stir Bar Sorptive Extraction

The analysis of environmentally relevant substances like polyaromatic hydrocarbons (PAH), polychlorinated biphenyls (PCB) or chlorophenols is still an important task for environmental laboratories. The first ...

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