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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

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

Analysis of Off-Flavour Compounds in Water by Automated Dynamic Headspace Coupled to Selectable 1D/2D GC-Olfactometry/MS

The naturally occurring compounds, e.g. 2-methylisoborneol (MIB) and geosmin, have received special attention as musty/earthy off-flavor compounds in drinking water. Also, 2,4,6-trichloanisole (TCA) is a maj ...

Resource - Susan Gilbert - 30th Sep 2011 - 0 comments

Determining Pharmaceuticals and Personal Care Products in Water by Automated Solid Phase Extraction

Throughout the world, a lack of regulation has been blamed for the detection of pharmaceuticals and personal care products (PPCP) in some bodies of water. While the detected amounts are usually relatively sm ...

Resource - Susan Gilbert - 11th Jul 2011 - 0 comments

Determining Diesel and Oil Range Organics in Water Using Automated Solid Phase Extraction

Although not frequently a problem, recent incidents at sea have led to large amounts of crude oil being released and dispersed throughout the Gulf of Mexico. Originally presumed to be Louisiana Sweet Crude, ...

Resource - Susan Gilbert - 11th Jul 2011 - 0 comments

Comparison of Mold Odor Analysis in Water by Purge and Trap (PTC) and Solid-Phase Microextraction (SPME)

Taste and odor are important to consumers when it comes to drinking water. Two compounds that are responsible for many taste and odor issues are geosmin and 2-methylisoborneol. Both of these compounds are p ...

Resource - Susan Gilbert - 28th Jun 2011 - 0 comments

Optimization Techniques for Performance of USEPA Methods 5030, 5035, and Determinative Methods 524.2 and 8260

Environmental Analysts are frequently tasked with developing methods to meet USEPA Method requirements. While the methods are written clearly, certain options are left to the analysis discretion. It is the ...

Resource - Susan Gilbert - 28th Jun 2011 - 0 comments