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Blood-Alcohol Analysis by HS-GC Using 0.15-i.d. Columns
Friday, September 27, 2013
Forensic laboratories face the need to analyze many samples of human blood and body fluids for alcohol content. The most important compound in blood-alcohol (BAC) analysis is ethanol, but the detection of several other significant alcohols and their ... Read More
GC Systems—Separating Compounds for Decades
Friday, March 14, 2014
Gas chromatography (GC), much like liquid chromatography (LC), is used to separate compounds by sending a mixture through a column with which the constituent compounds differentially interact, detecting them as they emerge. But while “LC compounds ... Read More
GC/MS Technology
Monday, September 12, 2016
Writing this article in southwest Ohio, only a couple hours of driving from the renowned Kentucky Bourbon Trail, I can appreciate the value of improving whiskey with gas chromatography (GC) plus high-resolution accurate-mass (HRAM) mass spectrometry. Read More
Compact HPLC Systems for the Analysis of Pesticides, Dyes and Drugs
Thursday, January 19, 2017
Despite advances in stationary phase chemistry, liquid chromatography instrumentation and particle miniaturization, the development of a portable LC system has remained elusive because of the difficulty of downscaling hardware and reducing solvent ... Read More
Identifying Whiskey Adulteration by GC/MS Through Chemical Profiling and Differential Analysis
Tuesday, March 21, 2017
Fermentation, distillation and aging processes play a key role in developing the unique chemical composition and flavor of whiskey, resulting in a product with a high degree of chemical variability and commercial value. Read More
Simplifying GC
Friday, April 21, 2017
Scientists started separating samples with gas chromatography (GC) in the early 1950s, and the technology is continually becoming easier to use. Read More
Separation Science at Pittcon 2017
Monday, May 08, 2017
As a business segment, chromatography is still the largest single technology segment ($8 billion global sales) in the chemical and life science laboratory space ($48 billion annual sales). Read More
Managing the Complexity of Microbial Biofuel Production With Integrated Informatics
Tuesday, May 09, 2017
While advances in the metabolic and genetic engineering of E. coli bacterial strains have made it possible to produce a wide range of alternative biofuels through highly optimized, commercially viable processes, they present challenges involving ... Read More
Fast GC Adopted for Wine Cork Analysis
Wednesday, May 24, 2017
Natural cork is the seal of choice for fine wine manufacturers. Read More
How to Avoid Size Mismatch Between Solutes and Column Pores for Optimum HPLC Performance
Monday, June 05, 2017
Improved large-molecule separations are achieved when samples are matched with the correct column pore sizes. Read More
Analysis of Benzene at Fence Lines Using GC/PID
Thursday, September 07, 2017
The Clean Air Act of 1990 was passed to regulate 189 hazardous air pollutants (HAPs) at the fence lines of chemical plants. Read More
Failure Analysis of Rubber Materials Using Pyrolysis-GC/MS
Wednesday, February 14, 2018
While subtle differences in polymer formulations are common, they rarely influence overall performance of the final product. Read More
Multistep Thermal Characterization of Liquid-Filled Capsules and Medication Packaging Using GC/MS
Friday, March 23, 2018
The development of pharmaceuticals brought with it a great change in human health. Read More

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