Search: Optic 2-200

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Multi-Residue Analysis of Pesticides in Samples of Lettuce and Peas Using Large Volume-Difficult Matrix Introduction-Gas Chromatography-Mass Spectrometry (LV-DMI-GC-MS)

Ethyl acetate is widely used as a solvent for the multi-residue extraction of pesticides from foods because it provides acceptable recovery over a wide range of polarity. Prior to GC analysis of the extracts ...

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

The Focus Robotic Sample Processor as a Tool for the Multiple Analysis of Samples using Complementary Techniques

The Focus is a multifunctional instrument and can be used for the automated preparation and injection of samples using many techniques, for example SPME, headspace, liquid-liquid extraction, thermal desorptio ...

Resource - Susan Gilbert - 18th Apr 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

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

TPHs in Wastewaters using the Focus Robotic Sample Processor

Traditional liquid-liquid extraction of wastewaters for TPH (Total Petroleum Hydrocarbons) generally requires large samples i.e.1L to be extracted with an appropriate solvent, the resulting extract concentrat ...

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

High Throughput Multi-Residue Screening of Drinking Water using the SPE-DEX and Pegasus GC-ToFMS

In cases of water contamination, an important objective for the water industry is to decrease turn around times of samples and increase capacity. Traditional techniques involve the liquid-liquid extraction ( ...

Resource - Susan Gilbert - 15th 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

Automating the Analysis of Selected Phenols Using The Focus Sample Processing Robot

Phenols are currently prepared using a traditional solvent extraction technique. The method involves the simultaneous extraction and derivatisation of selected phenols using pentafluorobenzoyl chloride as th ...

Resource - admin - 9th Sep 2010 - 0 comments

The Analysis of Styrene Butadiene Rubber in Concrete by Py-GC/MS using the Pyrola 2000

Base concrete has very high compressive strength but often needs to be given greater flexibility or chemical resistance or have its properties changed for some other reason. One common way of achieving many ...

Resource - admin - 9th Sep 2010 - 0 comments