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Benefits of Using Sample Enrichment Techniques (Headspace SPME, Twister SBSE, and Dynamic Headspace) to Determine Trace Level Analytes Present in a Herbal Based Liquor

This application note discusses different sample enrichment techniques available using the Multipurpose Sampler (MPS2 XL). A herbal based liquor was chosen for this comparison as this contains trace level an ...

Resource - Susan Gilbert - 11th Jan 2012 - 0 comments

Validation of Volatile Organic Compounds by USEPA Method 8260C

In order to determine the concentration of volatile organic compounds (VOCs) in water and soil matrices the USEPA developed Method 8260C in conjunction with preparative Methods 5030 and 5035. Water and soil ...

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

Analysis of Volatile Organic Compounds in Water and Soil by EPA Method 8260 with the Atomx Concentrator/Multimatrix Autosampler

In order to determine the amount of Volatile Organic Compounds (VOCs) in water and soil matrices the USEPA developed Method 8260 in conjunction with preparative Method 5030 and 5035. Since this Method encomp ...

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

Requirements of an Automated Sample Delivery System in Today's Realm of Ever Increasing Sensitivity Demands

As today’s instrumentation and experimental techniques improve on sensitivity and efficiency, we must also provide better ways to decrease carryover and ensure the instrumentation is running at its optimum ca ...

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

Analysis of Geosmin and 2-Methylisoborneol Utilizing the Stratum PTC and Aquatek 70

Geosmin and 2-Methylisoborneol are organic compounds that have a distinct scent. These compounds also have an extremely low odor detection threshold and because of this, many drinking water laboratories requ ...

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

A Comparison of Volatile Organic Compound Response When Using Nitrogen as a Purge Gas

For many years Helium has been the gas of choice for purging Volatile Organic Compounds (VOCs). However, in the past few years, the price and demand for Helium gas has increased substantially, thus making th ...

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

A Comparison of Volatile Organic Compound Response When Using Nitrogen as a Purge Gas

For many years Helium has been the gas of choice for purging Volatile Organic Compounds (VOCs). However, in the past few years, the price and demand for Helium gas has increased substantially, thus making th ...

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

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

Dynamic headspace (DHS) analysis using Full Evaporation Technique (FET) to quantify trace level analytes present in a herbal based liquor

Maintaining the quality of herbal based liquors is an important factor in their production. Slight differences in the ingredients of these beverages can drastically change the taste. Therefore, it is import ...

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

Formula Identification of Flavor Compounds in Beverages by SBSE-TD-2DGC with Selective Detection, Olfactometry, and Accurate Mass Measurement using a qMS

The combination of state-of-the-art analytical techniques, e.g. stir bar sorptive extraction (SBSE), thermal desorption (TD), heart-cutting 2DGC, simultaneous detection with qMS and Olfactometry or selective ...

Resource - Susan Gilbert - 17th Oct 2011 - 0 comments