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Title
Calibration-Free Catalytic Microreactor for Analysis of Pesticides in Food
Wednesday, January 27, 2016
Charlie Spanjers
Paul Dauenhauer
Growers routinely test for pesticides in food.
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Is it Time to Embrace High-Resolution, Accurate-Mass Mass Spectrometry for Pesticide Analysis?
Wednesday, January 27, 2016
Richard Fussell
Using targeted methods, laboratories test on average between two and five hundred pesticides from a predefined list.
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Lower Pollution Limits and Refinery Flare Monitoring Require Special Gas Control Equipment for Sampling
Tuesday, April 05, 2016
Larry Gallagher
Implementation of Title 40 of the Clean Air Act has resulted in a dramatic reduction in critical air pollutants.
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Automated Separation of Micro-Grains in a Mixed Solid Sample
Wednesday, April 13, 2016
Steven M. Barnett
Toshinori Maebayashi
Satoshi Takeshima
Areas such as industrial failure analysis, geology, geochronology and others that use solid-phase extraction, require accurate measurement of specific micro-grains, which are small particles mixed ...
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Determination of Trace Rhodium in Water Samples by Thermal Lens Spectrometry Following Cloud Point Extraction
Monday, May 02, 2016
Quan Han
Xiaohui Yang
Na Yang
Huo Yanyan
Yaping He
Due to its unique physical and chemical properties, rhodium has been used as a catalyst in organic synthesis, as an alloy in thermocouples, as a raw plating material in electronic instruments and as a...
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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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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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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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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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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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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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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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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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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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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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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.
Read More
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