Chromatography
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Chromatography Articles
Below is a list of articles that have been published on this topic.
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Chromatography - The Science of Separation [Jun 2010]
Measuring the radioactive noble gas Krypton using chromatography
Chromatography is the science of separation, with the analyte of interest being in a mobile phase, passing through a series of stationary phases. This allows the analyte to be isolated for quantification through a wide variety of techniques. This article looks at how chromatography is used to separate the noble gas krypton from air.
Gloves - How accelerator-free are your accelerator-free gloves? [Feb 2010]
With the current media interest in Natural Rubber Latex Allergy (also known as Immediate Type Hypersensitivity, Protein Allergy or Type I), it was possibly only a question of time before the focus moved also to Allergic Contact Dermatitis (also known as Type IV, Delayed Hypersensitivity or Chemical Allergy).
Something Not To Be Sniffed At [Dec 2009]
People’s perception of odours is a subjective matter; what one person perceives to be a pleasant odour, someone else may find unpleasant or a nuisance, which makes it difficult to assess and mitigate smells that may constitute an environmental pollutant.
Chromatography in Environmental Analysis [Mar 2009]
New analytical methods aid in reducing levels of harmful compounds
Gas chromatography (GC) is a technique used to separate the individual components of a complex mixture. A very small quantity of sample is needed (less than 1/1000th of a gram). The sample is injected onto one end of a chromatography column, down which gas (the carrier gas) is passing (usually helium or hydrogen). The column is situated in an oven. When the oven is cool (room temperature) only volatile compounds that boil at low temperature will evaporate from the sample and travel down the column to be detected at the far end by a detector. As the oven is heated, components of the mixture that boil at a higher temperature evaporate and are transported down the column by the flowing gas. In this way the components in the mixture are separated according to the temperatures at which they boil.
Recent Improvements in Chromatography [Mar 2008]
Improved instrumentation, greater sensitivity and faster analysis
Chromatography is one of the main tools of the environmental analytical chemist in providing detailed information on hundreds of different organic compounds which may be present in the environment. A general introduction to chromatography was provided in this journal last year (Dec 06/Jan 07 issue), giving a description of the basic principles of chromatography and a number of different techniques available for use in the modern laboratory.
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You may be interested in the following products and services on our sister site - OSE Directory.
Frequency Monitoring, Height Safety Equipment, Gas Detection, Gas Chromatography, Liquid Chromatography, Soil Analysis, Spectrometers
Environmental Laboratory Testing Contaminated land analysis in the 21st century: A European perspective [Jun 2006]
'In the present advanced state of chemistry, very expensive and complicated instruments are becoming indispensably necessary for ascertaining the analysis ... of bodies with the requisite precision as to quantity and proportion.' Antoine Laurent Lavoisier (1743-1794) in 'Elements of Chemistry in a New Systematic Order.'
State-of-the-Art Spectroscopy [Mar 2006]
Protecting our environment is the most important strategy for maintaining a high quality of life for current and future generations.
