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Sample Processing at Pittcon® 2014
Tuesday, May 06, 2014
Application Note
Robert L. Stevenson, Ph.D.
The tenfold increase in speed for the analytics (GC, HPLC, and SFC [supercritical fluid chromatography], all with MS) over the last decade has shifted the choke point in many workflows from analytics ... read more
Sample Prep for LC, GC, and SFC at Pittcon® 2013
Friday, May 10, 2013
Technical Article
Robert L. Stevenson, Ph.D.
At Pittcon® 2013, sample prep stood out as a major focus, perhaps because of the few advances in chromatography instrumentation. In addition, some sample preparation is spilling over into other ... read more
New Instrumentation and Applications at HPLC 2012
Friday, August 10, 2012
Technical Article
Robert L. Stevenson, Ph.D.
A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more
Crystallization Techniques in a Laboratory Furnace
Tuesday, November 01, 2011
Technical Article
B. Cabric N. Danilovic A. Janicijevic
An air-cooled tube in a laboratory furnace (crystallization shelf) that regulates the crystallization fronts and rates in columns of crucibles was described in a previous paper. read more
Chromatographic Behavior of Activated Alumina Adsorbents for the Analysis of Hydrocarbons
Saturday, October 01, 2011
Technical Article
Jaap de Zeeuw Bill Bromps Tom Vezza Rick Morehead
Alumina porous layer open tubular (PLOT) columns have long been used for the analysis of volatile hydrocarbons. read more
Simultaneous Crystallization Testing in a Laboratory Furnace
Thursday, June 16, 2011
Application Note
Branislav Cabric Nebojsa Danilovic Aco Janicijevic
A previous paper described a model of an air-cooled test tube with a series of sockets and plugs (crystallization socket-outlet adaptor) installed in a laboratory chamber furnace, the goal of which ... read more
Fast, Practical GC and GC-MS
Monday, January 01, 2007
Technical Article
Jaap de Zeeuw Martine Barnes
Shortening run times is a welcome exercise for many laboratories, especially when sample throughput needs to be increased. read more
Making Surface Tension Measurement a Practical Utility for Modern Industrial R&D
Thursday, December 01, 2005
Application Note
Christoffer Johans Ilkka Palonen Pekka Suomalainen Paavo K.J. Kinnunen
Vast numbers of new surfactants are introduced annually for improved formulation and functionality in products ranging from personal care (e.g., soaps, shampoos, sun care, and cosmetics products), ... read more
Multicapillary Columns for Chromatography
Tuesday, March 01, 2005
Technical Article
Yuri P. Belov Marina M. Ulyanova Vladimir N. Sidelnikov
The principles and theory of high-speed capillary chromatography have been known since the 1960s. To realize the maximum speed capabilities, it is necessary to use capillaries with a diameter of ... read more
Rapid Testing of Toxic Chemicals
Tuesday, March 01, 2005
Application Note
Nathalie Boucher Lucie Lorrain Marie-Eve Rouette Elisabeth Perron Nancy Déziel Louis Tessier François Bellemare
The measurement of chlorophyll fluorescent signals from photosynthetic enzyme complexes (PEC) has becomeone of the most powerful indicators for ecophysiologists. read more
Miniaturized FTIR for Maximized Productivity
Tuesday, March 01, 2005
Application Note
Ken Fredeen John S. Seelenbinder Mark L. Norman
In today’s fast-paced business environment, many companies are under pressure to improve their productivity. This is especially true in the pharmaceutical industry, where reducing time-to-market ... read more
LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization
Tuesday, March 01, 2005
Technical Article
Wayne P. Duncan Patrick D. Perkins
Today, liquid chromatography-mass spectrometry with electrospray ionization (LC-ESI-MS) is increasingly being used as the technique of choice for high-throughput pharmaceutical analysis. read more