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© 2021 MJH Life Sciences and Chromatography Online. All rights reserved.
© 2021 MJH Life Sciences™ and Chromatography Online. All rights reserved.
January 26, 2021
Quantitative analysis of polymer contamination in solvents by pyrolyzing the sample into a GC–MS.
November 18, 2020
Characterization of technical polymers by light scattering and field-flow fractionation (FFF-MALS) is reviewed and contrasted with the more common technique, SEC-MALS.
October 09, 2020
Combining the benefits of the ACQUITY APC System with the ACQUITY UPLC Refractive Index (RI) Detector and the ACQUITY QDa Mass Detector yields laboratory efficiencies.
The selection of appropriate column chemistries to separate eighteen polymer additives are routinely monitored in extractables and leachables (E&L) workflows.
A flexible analytical system was used in conjunction with a well-defined informatics workflow to elucidate degradation markers in Li-Ion battery electrolytes.
Combining the APC System with WinGPC UniChrom™ software allows researchers to increase the peak capacity of their research.
October 08, 2020
Collaborative efforts at Virginia Tech University drive better materials through polymer innovation and additive manufacturing.
September 25, 2020
The analytical performance of the CDS 7000 Series Purge and Trap concentrator is demonstrated for the EPA Method 8260C by GC–MS analysis.
This article demonstrates the sensitivity of an automated thermal desorber coupled to a GC–MS for TO-17 VOCs analysis targeting from propene to naphthalene.
This application note demonstrated the quantitative analysis of 26 fragrance compounds by a PAL system equipped with a dynamic headspace module.
This application note demonstrates a quantitative analysis of δ9-Tetrahydrocannabinol (THC) from a commercial cannabidiol oil sample.
This application note demonstrates the performance of Empore C18 disk in the monitoring of drinking water samples under EPA Method 525.2.
This application note demonstrates using evolved gas analysis and multi-step pyrolysis as a powerful toolset to unveil both additives and polymer backbone.
June 05, 2020
- Conventional light scattering comes with various limitations
- New light scattering technology benefits protein/polymer characterization
March 19, 2020
Comprehensive physicochemical characterization of biopolymers is accomplished by adding multi-angle light scattering and differential viscometry to standard SEC.
Branching impacts polymer properties such as rheology and stiffness. This note explains the analysis of branching ratio versus molar mass, accomplished by SEC-MALS(-IV).
March 01, 2020
How do bioinert and biocompatible liquid chromatography (LC) systems and columns improve separations of biomolecules? How do I know when these systems are required for my separation?
January 16, 2020
December 06, 2019
This study describes the separation of nanoplastics and determination of their surface charge by electrical asymmetrical flow field-flow fractionation.