Special Issues-12-01-2010

Phenomenex is a global technology leader committed to developing novel analytical chemistry solutions that solve the separation and purification challenges of researchers in industrial, government, and academic laboratories.

MicroLiter supplies consumable vials, closures with septa, inserts, microplates, and solid phase extraction and filtration devices for chromatographic automation.

New efficient, effective, and sensitive sample preparation application for the extraction of ethyl glucuronide from human urine at significantly low levels using EVOLUTE AX; a resin-based mixed-mode sorbent with an optimised combination of nonpolar (hydrophobic), polar (hydrophilic), and strong anion exchange interactions.

Since 1980 Pickering Laboratories, Inc., has been in the business of chromatograms.

Bruker Daltonics provides a variety of innovative mass spectrometry systems.

Hitachi High Technologies America, Inc. (HTA), located in Schaumburg, Illinois, is the North American Division headquarters for Hitachi High Technologies Corporation (Tokyo, Japan).

A subsidiary of Molex Incorporated

Analytical Sales & Services has spent more than twenty years offering innovative chromatography products and services to the scientific community.

J.G. Finneran designs, engineers, and manufactures glass and plastic chromatography sample vials and accessories in compliance with ISO 9001:2008 guidelines, specifically for laboratory use.

KNAUER develops and manufactures chromatography instrumentation for use in laboratories for tasks such as identification, quantification, and isolation of the components of liquids with complex composition.

PHOTONIS is a multinational high-technology group, with more than 40 years experience in manufacturing, sales, and innovation, specializing in charged particle and photon sensor technology.

Aflatoxins occur naturally in peanuts, cottonseed, corn, and dried chili pepper, as well as many mixed or processed foods and feeds.

This article describes a straightforward ion chromatographic method that uses isocratic elution and pulsed amperometric detection (PAD) to sensitively determine water-soluble polyols and sugar alcohols as well as mono-, di- and oligosaccharides in essential and nonessential foodstuffs.

Chiral Technologies, Inc. provides products and custom services for resolution of racemic compounds by enantioselective chromatography.

In 1985, Optimize Technologies was founded on the simple idea of offering innovative products for HPLC at the highest quality. Since then, the company has grown from simple beginnings to the present worldwide recognized brand.

Shimadzu Scientific Instruments (SSI) is the North American subsidiary of Shimadzu Corp., headquartered in Kyoto, Japan. SSI was established in 1975 to provide analytical solutions to a wide range of laboratories in the Americas.

LEAP Technologies, Inc. is the official American dealer of CTC Analytics. Customers look to us for fast, competent support and service.

Our HPLC columns have been designed and manufactured by Imtakt Corporation with exceptional craftsmanship and decades of industry experience.

Tosoh Bioscience LLC is a major supplier of chromatography products worldwide, particularly to the pharmaceutical, biotechnology, and polymer industries.

For over 40 years, Valco Instruments Co., Inc. (VICI) has been the leading designer and manufacturer of standard and custom valves and fittings for precision analytical, biomedical, and biocompatible instrumentation.

Restek celebrates our 25th year in business with the launch of our new website October 15th, 2010. Innovative chromatography solutions are at your fingertips, including an enhanced technical library featuring hundreds of chromatograms, simplified product selections tools, and easy-to-use multicomponent chemical standard search.

Orochem Technologies was founded in 1996 in suburbs of Chicago.

Agilent Technologies, Inc. (NYSE:A) is a global leader of measurement technology for life sciences, chemical analysis, communications, and electronics.

Pawling Engineered Products is a vertically integrated business that designs and manufactures highly specialized elastomeric septa, seals, gaskets, and other unique rubber products for many different industries.

In food, organic acids originate from the natural biochemistry processes or are added as preservatives, acidulants and stabilizers.

Waters Corporation is unique in that it is the only company to meet the challenges of today's discovery, development, process support, and quality control scientists by combining its own advanced separation technologies and powerful mass spectrometers in many novel ways.

Thermo Fisher Scientific is the world leader in serving science, enabling our customers to make the world healthier, cleaner, and safer. Serving customers through two premier brands, Thermo Scientific and Fisher Scientific, we help solve analytical challenges from routine testing to complex research and discovery.

DataApex is an independent software company with expertise in developing and manufacturing chromatography data stations.

Using a bonded polymeric zwitterionic stationary phase, in HILIC mode, polar quaternary herbicides like Diquat can easily be retained, with good peak symmetry.

Over the past 25 years, UCT has distinguished themselves as a major competitor in the field of silica based solid phase extraction technology.