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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

Improvements in Productivity Using the Fast GC Bundle

This application note details improvements where the analysis desires a single ramp program, for multi-ramp0 applications please refer to application note AS72. Improvements were achieved by using the innova ...

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

Using the GERSTEL Multi Purpose Sampler (MPS) Purge Tool as a Simple Evaporator

This short technical note describes the use of the purge tool as a simple evaporation device when combined with a Multi Purpose Sampler. The purge tool is an add on accessory for the GERSTEL MPS 2 Multi Purp ...

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

Using the GERSTEL Multi Purpose Sampler (MPS) as a Large Volume Fraction Collector

This short technical note describes the use of a GERSTEL Multi Purpose Sampler (MPS) as a fraction collector. A fraction collector is a device that allows regular or specified samples to be taken from a colu ...

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

Automated Solid Phase Microextraction using the GERSTEL MPS Prepstation and MAESTRO Software

Solid phase microextraction (SPME) is a powerful technique for the analysis of trace components in a wide variety of matrices. The types of compounds which can be analyzed by this technique ranges from non-p ...

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

Automation of Sample Preparation Steps using a Robotic X-Y-Z Coordinate Autosampler with Software Control

In addition to providing unattended operation as an autosampler for a chromatographic instrument, the use of the MultiPurpose Sampler (MPS) robot in combination with the MAESTRO software enables full automati ...

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

Cross Contamination in Commercial Herbicides/Pesticides

There is a need to monitor cross contamination at the 1ppm level in commercial herbicides and pesticides. The presence of 1-50% active ingredient, surfactants, antifoam and other formulation components makes ...

Resource - Susan Gilbert - 26th Jan 2011 - 0 comments

Fragrance Components in Shampoo and Candle Wax

Fragrance blends may be used in a variety of sample matrices that can affect the recovery of the individual components. Customer is interested in extraction and separation of a test fragrance blend from candl ...

Resource - Susan Gilbert - 26th Jan 2011 - 0 comments

Stir Bar Sorptive Extraction: Capacity and Competition Effects

The determination of volatile and semivolatile analytes in aqueous solutions using stir bar sorptive extraction (SBSE) as the extraction step is gaining acceptance in a wide variety of application areas inclu ...

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

Elimination of Polar Matrix Components Prior to GC Analysis using Stir Bar Sorptive Extraction (SBSE)

Analysis of samples containing polar matrix components such as water, glycols, sugars or surfactants by gas chromatography has usually required extensive cleanup such as liquid/liquid extraction, solid phase ...

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