6Biotage
®
ELSD-A120 User Manual
1 Introduction to the Detector
Introduction to the ELSD
Introduction to the ELSD
The Evaporative Light Scattering Detector is a unique and highly
sensitive detector for semi-volatile and non-volatile solutes in a liquid
stream. It is mainly used as a concentration detector for Liquid
Chromatography (LC). The solvent stream containing the solute
material is nebulized and carried by a gas flow through an evaporation
chamber. The solvent is volatilized, leaving a mist of solute particles
that scatter light to a photosensitive device. The signal is amplified
and a voltage output provides the concentration of the solute particles
passing through the light.
This manual only instructs the user in the installation and operation of
ELSD-A120 when used with an Isolera™ system. If you want to use it
for stand alone use or connect it to another chromatography system,
please contact Biotage for more information and instructions.
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