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Recent Developments in Sulfur Analysis
Thursday, January 17, 2013
Scott Fess
Environmental concerns to limit and minimize sulfur in crude oil and petroleum fuels are continuing to spread to many regions of the world, requiring new standard test methods and modern ...
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A Portable Multiexcitation Dispersive Raman Spectrometer for Environmental Analysis
Thursday, February 14, 2013
Huawen (Owen) Wu
Jack Qian
Eric Bergles
Lin Chandler
Chemical examination and investigation for environmental analysis often demand portable, versatile, and real-time analytical techniques with high specificity and accuracy, and direct and noncontact ...
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Choosing Conservation Over Conversion: The Great Helium Debate
Thursday, May 23, 2013
Frank Kandl
Reginald Bartram
In recent months, the growing shortage of helium has gained national attention and raised concerns of availability and cost among users. Laboratories in particular rely on helium for analytical ...
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Determination of Total Mercury Content and Trace Metal Analysis in Wood Materials—Part 1: ICP-OES Using Mercury Cold Vapor
Tuesday, August 06, 2013
Heidi Fleischer
Kerstin Thurow
The transition metal mercury has many exciting properties; for example, it is the only known metal that is liquid at room temperature, hence its use in thermometers. Other common applications are in ...
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In Situ Electrochemical SPM for Energy and Corrosion Studies
Wednesday, August 07, 2013
Shijie Wu
Renewable energy technologies such as solar and wind have been gaining momentum due to a growing awareness of climate change and limited resources (e.g., fossil oils) as well as greater support from ...
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Determination of Total Mercury Content in Wood Materials, Part 2: ICP-MS—A Multielement Method
Thursday, August 29, 2013
Heidi Fleischer
Kerstin Thurow
Even in minor concentrations, elemental mercury and inorganic and organic bound mercury can have harmful biological effects on organisms. Mercury and other toxic elements can enter the environment ...
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Determination of Palladium in Water and Geological Samples by Flame Atomic Absorption Spectrophotometry
Thursday, November 28, 2013
Dong Zhang
Qian-Wu Wang
The precious metal palladium has been widely applied in the electronics, aerospace, chemical, metallurgy, automobile engines, and pharmaceutical industries due to its corrosion resistance, oxidation ...
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A Novel Sample Preparation Method for the Determination of Chloride in Bitumen Samples
Tuesday, April 01, 2014
Reynhardt Klopper
Accurate salt content determination in petrochemical products such as crude oil and bitumen is of utmost importance to petrochemical companies. The presence of salt (present as sodium chloride) ...
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A Moisture Absorbing Polymer for Solvent Extraction Applications
Tuesday, April 01, 2014
Chris Pohl
Kannan Srinivasan
Rahmat Ullah
Pranathi Perati
The moisture absorbing polymer consumable described in this article is designed to remove moisture from wet samples inline during extraction as well as from the post-extraction solvent extract.
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Determination of Total Mercury Content in Wood Materials—Part 3: Miniaturization Using ICP-MS
Monday, August 04, 2014
Heidi Fleischer
Kerstin Thurow
Ellen Vorberg
High-throughput screening processes have become an essential tool in the pharmaceutical industry and clinical laboratory. High-throughput screening, or HTS, is used in drug discovery as well as in ...
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Safety and Environmental Considerations in the Life Sciences Laboratory
Friday, September 05, 2014
Larry Gallagher
In life science laboratories and biotech firms, safety and environmental issues can be presented by the gases and cryogens utilized in the processes and controls. From simple oxygen deficiency that ...
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Application of Porous Nano-Calcium Titanate in Preconcentration of Heavy Metals in Water
Wednesday, October 15, 2014
Dong Zhang
Yan Li
Heavy metal pollution in water has been a public concern for decades.Heavy metals, which include lead, cadmium, mercury, chromium, zinc, copper, and nickel, are highly toxic with hidden pollution, ...
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Use of Environmental Transmission Electron Microscopy to Study the Dynamic, Catalytic Reactions on Metal Nanoparticle Catalysts
Thursday, October 16, 2014
Joerg Jinschek
Prof. Seiji Takeda leads a research group in the Department of Nanocharacterization for Nanostructures and Functions of the Nanoscience and Nanotechnology Center at the Institute of Scientific and ...
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Automation of Soil Sampling Comes of Age: New Purge-and-Trap GC/MS Technology Gets it Right
Monday, December 22, 2014
Cynthia Elmore
A tractor trailer tanker truck with a full load of toxic chemicals traveling over a mountain pass veers off the road to avoid an oncoming vehicle; 6700 gallons of toxins begin to spill onto the bank, ...
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Harnessing Fast GC–TOF MS with Variable-Energy Electron Ionization for the Rapid Analysis of Environmental Contaminants
Monday, December 22, 2014
David Barden
Laura McGregor
The introduction of recent legislation, such as the EU Environmental Liabilities Directive 2004/35/EC, has led to a demand among analysts for more precise and robust methods for the identification of ...
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Role of Cetyltrimethylammonium Bromide in Preparing Porous In-TiO
2
Photocatalytic Material
Friday, January 02, 2015
Wenjie Zhang
Xiaobei Pei
Jinlei Chen
The application of TiO
2
as the main photocatalyst on degradation of organic pollutants has been widely investigated. Metal ion doping can retard recombination of photogenerated electron-hole pairs in ...
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Pure Water: The Most Essential Laboratory Element
Friday, January 16, 2015
Frank Gatzemeyer
Both vital and versatile, water is used in all laboratories, in preparing media, buffers and additives and for heating, cooling, cleaning and rinsing.
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Detecting Trace-Level Pyrethroid Insecticides in Sewage and Ocean Sediments With GC-MS/MS
Wednesday, April 01, 2015
Joe Anacleto
As the use of pyrethroid insecticides continues to increase in the United States, it is becoming increasingly important to monitor levels of the compounds in environmental waters, river and ocean ...
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A Tandem Approach to TOC Analysis in Drinking Water Treatment
Friday, August 07, 2015
John Welsh, Jr.
In 1974 Congress passed the Safe Drinking Water Act (SDWA) to regulate the nation’s drinking water supply.
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Using Freshly Delivered Ultrapure Water With Low TOC Improves Chromatographic Performance
Wednesday, January 27, 2016
Stéphane Mabic
Estelle Riche
Cecilia Devaux
Analytical instruments have become increasingly sensitive, requiring a higher level of reagent and solvent quality, including water.
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