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Title
What Are Emerging Contaminants and Why Are We Concerned?
Friday, April 05, 2019
William Lipps
The term “compounds of emerging concern” (CEC) is used to identify chemical contaminants that have no regulatory standard, have been found in environmental samples, and have potentially adverse ...
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Improving Food Safety: How Advanced GC-MS/MS Systems Enable Fast, Accurate, and Reliable PBDE Quantification
Friday, February 22, 2019
Paul Silcock
Advances in GC-MS/MS are enabling accurate and robust quantification of PBDEs, helping food safety laboratories meet regulatory requirements and safeguard consumer health.
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Automated Low-Background Solid-Phase Extraction of Perfluorinated Compounds in Water
Friday, February 22, 2019
Ruud Addink
Tom Hall
The automated extraction and analysis of perfluorinated compounds hold promise for environmental laboratories in the U.S.
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A Handheld Personal Spectrophotometer for Instant Measurements in Life Science, Biomedical, and Environmental Applications
Friday, August 24, 2018
Dieter Trau
A handheld spectrophotometer offers high performance and seamless integration with cloud, web, and mobile computing in the modern laboratory.
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Failure Analysis of Rubber Materials Using Pyrolysis-GC/MS
Wednesday, February 14, 2018
Rojin Belganeh
William Pipkin
Pyrolysis GC/MS has a wide variety of applications for identifying the organic composition of unknown samples by providing detail information about the compounds present in a sample.
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ASTM-Approved Method for Simultaneous Determination of Total Nitrogen and Phosphorus in Wastewater by Ion Chromatography
Monday, October 02, 2017
Jeff Rohrer
Richard Jack
Brian De Borba
As natural elements in aquatic ecosystems, nitrogen and phosphorus support the growth of algae and aquatic plants, providing food and shelter for fish and other organisms.
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A Field-Portable Bioanalysis System
Tuesday, July 11, 2017
Varouj Amirkhanian
Eric Tsai
Alice Lin
A portable bioanalysis system provides high resolution and high detection sensitivity, and is a cost-effective solution for the field detection of pathogens.
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Pesticide Testing for the Cannabis Industry: The Importance of LC-MS/MS for Obtaining Accurate Results in a Complex Matrix
Wednesday, June 07, 2017
David Egerton
Paul C. Winkler
Craig Butt
April Quinn-Paquet
K.C. Hyland
Phil Taylor
David Monk
High-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) has emerged as the method of choice for pesticide analysis because it offers superior selectivity, sensitivity, and ...
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Quantitating VOCs in Serum Using Automated Headspace-SPME/Cryo-Focusing/Isotope Dilution/Capillary GC/MS
Friday, March 31, 2017
Paul R. Loconto
In January 2007, the author’s lab received a frozen shipment of calibration standards and quality control (QC) samples to perform method validation for quantitating traces of volatile organic ...
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Comparison of ICP-QQQ and MP-AES to Alternative Atomic Spectroscopy Techniques
Friday, February 17, 2017
Shane Elliott
This article gives an overview of the various atomic spectroscopy techniques available to address a range of applications in environmental science, food and agriculture, life sciences and academic ...
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A High-Throughput Method for Routine Analysis of Pesticide Residues on Cannabis
Friday, January 20, 2017
David Egerton
Testing for pesticide residues in Cannabis must be sensitive, selective, fast and affordable. The method described in this article uses HPLC with triple-quadrupole mass spectrometry.
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High-Throughput VOC and Inorganic Gas Analysis: Automated SIFT-MS
Friday, January 20, 2017
Mark J. Perkins
Vaughan S. Langford
Murray J. McEwan
A sensitive technique called selected ion flow tube mass spectrometry (SIFT-MS) allows the direct, real-time monitoring of inorganic gases and volatile organic compounds (VOCs), with no need to ...
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Compact HPLC Systems for the Analysis of Pesticides, Dyes and Drugs
Friday, January 20, 2017
Vlad Orlovsky
Yury Zelechonok
Konstantin Tchalukov
The analyzer described in this article provides fast analysis of food dyes commonly used in products in the beverage and pharmaceutical industries, as well as high-resolution separation of a complex ...
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The Myths and Truths of Measuring Pure Water
Monday, November 07, 2016
Gayle Gleichauf
Kim Knepper
Techniques such as liquid chromatography and mass spectrometry require ultrapure water (UPW) for trace-level analysis.
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Extraction of Planar Pesticides From Spinach and Fresh Oregano Using QuEChERS Methodology With a Novel Carbon Adsorbent
Monday, November 07, 2016
Michael Ye
Jennifer Claus
Although vital to plant life, the presence of chlorophyll in GC/MS analysis is highly problematic.
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Reducing Solvent Emissions in the Laboratory
Monday, September 26, 2016
Amy Valladares
Processes such as concentration and evaporation generate tons of solvent vapors annually that are released into the atmosphere.
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High-Pressure Ion Chromatography Enables Fast, Reliable Analysis of Inorganic Cations and Ammonium in Environmental Water Samples
Thursday, September 01, 2016
Carl Fisher
Common alkali and alkaline earth cations are not considered primary drinking water contaminants, but alkaline water can potentially interfere with water clarification and disinfection procedures and ...
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Automated Chromatographic Solid-Phase Extraction Using an Autosampler
Thursday, September 01, 2016
Mark Hayward
Jonathan Ho
Rick Youngblood
Matthew T. Hardison
Tom Moran
Kim Gamble
Solid-phase extraction (SPE) is a preferred tool for isolating target analytes from complex matrices because the availability of a diverse range of chromatographic sorbents enables targeted approaches...
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Trace-Gas Analysis With Cantilever-Enhanced Photoacoustic Spectroscopy
Monday, July 25, 2016
Jaakko Lehtinen
Veli-Matti Kittilä
Aleksandra Karimaa
Ismo Kauppinen
Photoacoustic spectroscopy (PAS) is based on the conversion of optical energy to thermal energy.
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Determination of Water Content and Dynamic Vapor Sorption Using Gravimetric Methods, Karl Fischer Titration and Thermal Analysis
Monday, June 20, 2016
Matthias Wagner
Virtually all materials interact with water. Accurate determination of a product’s water content and mechanism of water–solid interactions is required to define suitable processing, packaging, storage...
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