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Applications and Articles Applications and Articles

ARTICLES


A Guide to Proper Sample Preparation

Introduction: Sample preparation is the most important step in obtaining the best results for both dynamic and static light scattering ... Read More


Common detectors for GPC/SEC Chromatography

This article provides an overview about the detectors most commonly used in GPC/SEC applications, explains differencies... Read More


Determination of specific refractive index increment (dn/dc)

The specific refractive index increment (dn/dc) is a fundamental parameter for the determination of molecular weight with Static Light Scattering... Read More


Interview: Insights from Industry

In the eyes of Testa Analytical polymer characterization in terms of chromatography and particle sizing using DLS are just... Read More


TECHNICAL NOTES


Real-Time Monitoring of HPLC Pump Performance

High Performance Liquid Chromatography (HPLC) is nowadays one of the most widely used techniques in analytical chemistry. The range of applications soluble using HPLC covers a vast range of sample types, concentrations, and compositions. This extreme flexibility is achieved by using specific columns carefully designed for each particular investigation. Read More


How Enhanced Detector Stability Leads to Improved GPC/SEC Results

GPC (Gel Permeation Chromatography) or SEC (Size-Exclusion-Chromatography is widely acknowledged as one of the most useful characterization methods in polymer science. The technique offers the possibility to determine molecular weight distribution and its averages, to provide a complete picture of the polymer sample under investigation. Read More