Tag Archives: RALS


Published 19 Sep 2018

Which light scattering detector is best for me?

Determining which gel permeation/size exclusion chromatography (GPC/SEC) system is best for your needs can be a daunting task. Even after you’ve decided to include a light scattering detector to obtain absolute molecular weight data you’re still left to choose between…READ MORE >

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Published 9 May 2018

Journée sur la chromatographie à Lyon

Atelier dans notre agence de Lyon mardi 12 juin Journée sur la chromatographie d’exclusion de taille pour les protéines (ou de perméation de gel pour les polymères) dans notre agence de Lyon. Vous seront présentés différents systèmes de détection UV, réfractomètre,…READ MORE >

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Published 5 Feb 2015

GPC detectors – OMNISEC

GPC detector – OMNISEC – Your Questions Answered Thanks so much to those of you who joined us for the launch of  OMNISEC, our new GPC/SEC system.  If you missed the event you can play it back by clicking here, to…READ MORE >

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Published 27 May 2014

Size Exclusion chromatography – when to use MALS?

When is Single Angle Light Scattering (LALS/RALS) the right detection technique to use, and when do you need Multi Angle Light Scattering (MALS)? Size Exclusion Chromatography (SEC) is a well-established tool for the measurement of the molecular weight and purity of…READ MORE >

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Published 18 Jun 2013

Refractive index increment dn/dc values

Refractive index increment dn/dc values when you need them? In light scattering a crucial parameter which appears together with the Rayleigh Ratio RΘ is the refractive index increment, also known as “dn/dc”. Typically Kc/RΘ is plotted versus concentration to extrapolate to…READ MORE >

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