Saturday, January 01, 2005
Application Note
Robert Johnson
Environmental samples, including water and soils,extracted with an organic solvent must typically be dried and concentrated before analysis.
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Saturday, January 01, 2005
Technical Article
Mary Jo Vesper, Steve Vesper, David Kahane, Rich Haugland
Molds can cause health problems such as infections and allergies, destroy crops, and contaminate food or pharmaceuticals.
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Technical Article
Pradyot Patnaik, Jacques N. Khoury
Chlorophenoxy acids are an important
class of herbicides that are widely used
for weed control in agriculture and
forestry.
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Thursday, September 01, 2005
Application Note
Sandra Rintoul
It is estimated that 23–28% of sanitary sewer overflows (SSOs) are due to fats, oils, and grease (FOG).
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Thursday, December 01, 2005
Application Note
Peter B. Stockwell, Warren T. Corns, Derek W. Bryce
Interest and concern about the levels of mercury in its various forms in the environment have been well
documented over the last 50 years.
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Thursday, February 01, 2007
Application Note
Kuria Ndung’u, Sharon Hibdon, A. Russell Flegal
Exposure to contaminant lead remains a public concern because of its pervasiveness in the environment
and increasing evidence of its sublethal toxicities at exposure levels lower than previously ...
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Technical Article
Pamela F. Heckel, Tim C. Keener
Soils are notoriously heterogeneous and difficult to analyze. The authors developed a digestion method to extract mercury from clay soils using
relatively inexpensive cold vapor atomic absorption ...
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Application Note
Allan Matte, Miroslaw Cygler
Improving protein solution behavior is critical in the field of structural biology since it impacts protein
crystallization and the ability to determine protein structures by solution nuclear ...
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Tuesday, January 01, 2008
Application Note
Carole Vincelet, David Benanou, Jean Marc Roussel
The use of membrane materials for the extraction of organic compounds has increased during the past few years for the extraction of analytes in bioanalysis and environmental, food, and industrial ...
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Tuesday, January 01, 2008
Technical Article
Jaap de Zeeuw, Barry L. Burger
There has been a huge increase in the use of biodiesel fuels.
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Tuesday, January 01, 2008
Technical Article
Justin A. Heuser, Anita R. Taulbee, Wolfgang U. Spendel, Michael R. Hughes, Gilbert E. Pacey
The region of the electromagnetic spectrum known as terahertz (tera = 10 12) has remained relatively unexplored due to the limitations of microwave and infrared sources.
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Monday, February 18, 2008
Application Note
Scott Lefferts, Yan Liu, Zhongqing Lu, Chris Pohl, John Madden, Navette Shirakawa
Users who perform routine analyses of anions and cations in simple matrices, such as drinking water, can benefit from Reagent-Free™ Ion Chromatography systems with Eluent Regeneration (RFICER ™ ...
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Monday, February 18, 2008
Application Note
Andrea Neumann, Thomas Jebens, Volkmar Wierzbicki
The diesel engine was developed in 1892 to allow the use of cost-saving diesel fuel. At the time, the production of diesel was a relatively simple single cut within the atmospheric distillation ...
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Application Note
Brian Dorich, Eric Francis, Brett Murphy, Bruce Richter, Sheldon Henderson
Sample preparation, specifically solvent extraction, is an important beginning step in the analytical process.
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Application Note
Xiao Feng Zhang
In situ atomic resolution imaging with gas injection and sample heating, and real-time three-dimensional structural and chemical characterizations are important features of the Hitachi H-9500 300 kV ...
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Application Note
Robert S. Cooley, Sr., Henry S. Kolesinski
Current separation and purification processes are multistep, batch-type separations that generally use packed-column formats.
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Application Note
Johan Nortje
Coal-fired utilities have long carried the stigma of being the largest contributor of anthropogenic mercury emissions, which, in 1999, caused the U.S. EPA to initiate the Information Collection ...
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Friday, September 26, 2008
Application Note
Andrew H. Grange
A commercially available, open-air, surface sampling ion source for mass spectrometers provides individual analyses in several seconds.
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Application Note
John J. Urh
Global resourcing and production have increased the demand for food manufacturers to ensure the safety and integrity of their products.
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Friday, December 05, 2008
Technical Article
Eric R. Crosson
Wavelength-scanned cavity ring-down spectroscopy (WSCRDS) is fast gaining worldwide acceptance as a superior tool for trace gas analysis, because it combines operational simplicity and portability ...
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