Search: Headspace, Application Note

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Determining Volatile Organic Compounds from Difficult Soil Matrices Utilizing Both Headspace and Purge and Trap Techniques

Purge and Trap Concentration (P&T) along with Gas Chromatography/Mass Spectrometry (GC/MS analysis is the traditionally used method for the analysis of Volatile Organic Compounds (VOCs)). This applicatio ...

Resource - Susan Gilbert - 20th Dec 2011 - 0 comments

EPA Method RSK-175 Dissolved Gasses in Water Matrices using the Teledyne Tekmar HT3 Headspace Analyser

The analysis of dissolved gases in ground water is important in determining whether intrinsic bioremediation is occurring in a fuel contaminated area. The gases of concern include methane, ethane, and ethyle ...

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

Residual Solvents by Teledyne Tekmar HT3 Headspace Autosampler and Varian 4000 GCMS

Many solvents are used in the manufacturing of pharmaceutical products, substances, and excipients. In an order to protect the health of the patient, pharmaceutical companies have adopted methods that will r ...

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

The Use of the Teledyne Tekmar HT3 for Analysing Selected Residual Solvents in Pharmaceutical Products and Ingredients

Many different solvents are used in the manufacture of pharmaceutical products. To protect the health of the patient, the International Conference on Harmonization (ICH) has published guidelines on the classi ...

Resource - admin - 19th Dec 2011 - 0 comments

Parts Per Trillion Determination of Volatile Organic Compounds in Water using Automated Headspace Extraction with the GERSTEL MPS and CTS-2 Cryofocusing Unit on an Agilent GC-MS

Static headspace extraction with gas chromatography-mass spectrometry (HS-GC/MS) is an established technique for the determination of volatile organic compounds (VOCs) in drinking water and waste water. Anal ...

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

The On-line VOC Analysis of Industrial Effluents using Ambient Headspace

In a world of ever lowering detection limits and stringent relative standard deviations (RSDs) it is often easy to forget that for some analyses these are not necessary. In the case of monitoring industrial ...

Resource - Susan Gilbert - 18th Apr 2011 - 0 comments

High Throughput Headspace Analysis of VOCs in Wastewaters using the Focus Robotic Sample Processor

Headspace analysis is one of the simplest and cleanest sample preparation and introduction techniques in gas chromatography and can be used for both solids and liquids. Little sample preparation is required, ...

Resource - Susan Gilbert - 18th Apr 2011 - 0 comments

The Measurement of Free and Total Peppermint Oil in a Yeast-based Micro-encapsulation System

Fluid Technologies' Micap™ is a yeast-based micro-encapsulation system for volatile food flavours and other components including pesticides and pharmaceuticals. The yeast used for encapsulation is grown conti ...

Resource - Susan Gilbert - 18th Apr 2011 - 0 comments

Petrol Range Organics In Soils, Sludges And Wastewaters by Headspace GC-MS

Most PRO methods quantify the petrol range organics by indiscriminately integrating the area between two points, this area being calibrated against a petrol or other suitable standard. There are numerous poss ...

Resource - Susan Gilbert - 18th Apr 2011 - 0 comments

High Throughput Screening of VOCs in Wastewaters

Presented here is a high throughput method to enable the fast screening of samples, with a cycle time of 10 minutes, to accurately quantify VOCs in the range 100-2000 ug/L and allow subsequent dilutions for a ...

Resource - Susan Gilbert - 15th Apr 2011 - 0 comments