Search: Polymers

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Headspace Assay of Polymers used in the Automotive Industry with Teledyne Tekmar HT3 Dynamic Headspace Instrument

Synthetic and natural materials are used extensively by the motor vehicle industry to provide customers appealing and safe vehicle interiors. The materials used in all aspects of vehicles interior, range fro ...

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

High Temperature Headspace Assay of Polymers with Teledyne Tekmar HT3 Static Headspace Instrument

Since the early 1990’s air quality in enclosed spaces such as office buildings, homes and automobiles has become a major environmental concern. The concern is that man made materials used in these environmen ...

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

Determination of Volatiles in Polyethylene and Polypropylene Pellets by Direct Thermal Extraction

This note shows the performance of the Gerstel TDS/TDSA system for determination of volatiles in polyethylene and polypropylene pellet samples by direct thermal extraction. Comparison of refocusing on a Tenax ...

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

Volatiles in Polycarbonate Pellets

Polycarbonate pellets are analyzed for emission of volatiles. Customer was especially interested in the emission of volatiles at the softening point (140-160°C) and the processing temperature (280°C), respect ...

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

Determination of Acetic Acid and Neodecanoic Acid in a Polyvinylester Wax by Thermal desorption and GC-MS Analysis

Thermal desorption and GC-MS analysis is applied to the determination of acetic acid and neodecanoic acid, which are low temperature pyrolysis products of a polyvinylester wax. ...

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

Quantitative Determination of Trace Analytes in Solid Materials by Thermal Extraction GC

Direct thermal extraction of solids has most commonly been used for qualitative identification of trace materials such as additives, impurities and residual monomer or solvents. The technique has many benefit ...

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

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

Rapid Analysis of SVOCs, PCBs and Pesticides in Crude Soil Extracts by GC-TOFMS

In busy routine laboratories, there are clear incentives to minimise the number of routine procedures performed by increasing the number of determinands included in each analytical method. This leads to reduc ...

Resource - Susan Gilbert - 15th 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

Volatiles in Printer Toners and Toner Resin Polymers

Printer toners and toner resin polymers are analyzed for emission of organic volatiles. Customer was especially interested in the emission of benzene and styrene. Printer toners contain resin polymers which ...

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