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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
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
Determination of Acid Herbicides in Water by GC-MS: A Modified Method Using Single Extraction and ...
Tuesday, March 01, 2005
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. read more
Use of Microcoil Probes to Acquire More Sensitive NMR Spectral Data
Tuesday, February 01, 2005
Technical Article
Peter Froehlich
Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical technique that is commonly used to provide structural information as well as other chemical metrics such as sample composition ... read more
Optimizing the Sensitivity of an Evaporative Light Scattering Detector
Tuesday, October 12, 2004
Application Note
Peter Froehlich Rodolphe Pennanec
The evaporative light scattering detector (ELSD) is a universal, mass-based detector for HPLC, ultraperformance liquid chromatography (UPLC), gel permeation chromatography (GPC), and supercritical ... read more