Search: GERSTEL CIS 4+

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Fast Analysis of Food and Beverage Products using a Mass Spectrometry Based Chemical Sensor

In this study, different food and beverage samples were analysed without chromatographic separation by direct transfer of their analytes into a mass spectrometer or by disregarding chromatographic separation. ...

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

Increased Sensitivity of Odour Compounds by Headspace Analysis

The GERSTEL Dynamic Headspace (DHS) sampler enables significantly greater levels of sensitivity for headspace analyses. This is of value to analysts working with odour compounds since the odour threshold of ...

Resource - admin - 9th Sep 2010 - 0 comments

Increase in Flavour Profile Sensitivity using Twister Stir Bar Sorptive Extraction

The flavour profile of orange juice was analysed to investigate the effectiveness of five different techniques for the analysis of volatile and semi volatile compounds. The techniques used were static headsp ...

Resource - admin - 9th Sep 2010 - 0 comments

Determination of Malodourous Compounds in Water by Twister Stir Bar Sorptive Extraction

To provide high quality drinking water, malodourous compounds have to be monitored and controlled. Twister stir bar sorptive extraction (SBSE) provides an easy, reliable, and sensitive solvent free extractio ...

Resource - admin - 9th Sep 2010 - 0 comments

Automated Ambient Headspace Analysis from 100mL or 250mL Bottles

The automated analysis of the headspace in 2, 10 or 20mL vials is well documented. This application note details an innovative cap design that permits headspace sampling through a septum held on a GL45 threa ...

Resource - admin - 9th Sep 2010 - 0 comments

Improvements in Productivity Using the Fast GC Bundle

This application note details an innovative Fast GC Bundle developed by Anatune incorporating an XLR8R and a CoolR+. The package can significantly reduce instrument cycle times, the time between two subsequen ...

Resource - admin - 9th Sep 2010 - 0 comments

Improvements in Sample Throughput without Revalidation by Further Reduction of the GC Cooling Time

As previously reported in an Anatune application note, (AS35), the time taken for the GC oven to cool from the end temperature of one run to the start temperature of the next run can be a significant proporti ...

Resource - admin - 9th Sep 2010 - 0 comments

Rapid Large Volume Injection of Selected SVOCs and PAHs in Hexane using the GERSTEL CIS 4+ Injector, the Anatune XLR8R, the Anatune CoolR+ and Agilent 5975B GC-MS

In busy laboratories, there are clean incentives to minimise the instrument runtime. This leads to faster turnaround times, greater flexibility and reduced costs. Also, the elimination of a final solvent con ...

Resource - admin - 9th Sep 2010 - 0 comments

Rapid Large Volume Injection of Selected SVOCs, PAHs and Pesticides in Dichloromethane using the GERSTEL CIS 4+ Injector, the Anatune CoolR+ and Agilent 5975B GC-MS

By injecting a larger than usual volume of sample, improved limits of detection, the elimination of a final concentration step or a combination of both may be achieved. Rapid Large Volume Injection (RLVI) ha ...

Resource - admin - 9th Sep 2010 - 0 comments

Large Volume Injection of Selected Pesticides in Ethyl Acetate using the GERSTEL CIS 4+ Injector, the Anatune CoolR+ and Agilent 5975B GC-MS

By injecting a larger than usual volume of sample, improved limits of detection, the elimination of a final concentration step or a combination of both may be achieved. The Large Volume Injection (LVI) techni ...

Resource - admin - 9th Sep 2010 - 0 comments