Separation Science

GPC/SEC Analysis of Polymer Branching

Malvern has produced an application note describing the GPC (or equivalently SEC) analysis of branching in polyvinylpyrrolidone (PVP).

Characterizing Different Polymer Degradation Routes during Processing using Multi-detector GPC and Capillary Rheology

Malvern has produced an application note describing molecular and rheological changes that occurred as samples of PS and PMMA were extruded through a capillary rheometer, simulating moulding.

Perform Analysis of Choline and Acetylcholine in Rat Cerebrospinal Fluid Samples by SFC

Shimadzu has produced an application note describing the SFC analysis of choline in a rat cerebrospinal fluid sample by direct injection of the cerebrospinal fluid to the Nexera-UC system.

Effective Analysis and Evaluation of Chiral Drugs in Biological Samples using SFC-MS/MS

Shimadzu has produced an application note describing the application of SFC-MS/MS methods for bioanalysis of enantiomeric drugs, taking omeprazole and rabeprazole as examples.

Application of Online SFE-SFC-PDA for Cleaning Validation

Shimadzu has produced an application note describing the Nexera-UC online SFE-SFC system that was used for efficient analysis of alkylbenzenesulfone from a swab (cloth used for surface wiping to show safety at a pharmaceutical manufacturing site).

Perform Quantitative Analysis of Highly Polar Pesticides in Food Using SFC-MS

Shimadzu has produced an application note demonstrating an example of batch analysis of highly polar pesticides using SFC that may be effective for analyses for which retention and separation are difficult in LC.

Analyse More Semivolatile Samples per Shift Using Split Injection

Restek has produced an application note describing a split injection method providing a simple way to increase sample throughput for semivolatiles analysis.

High-Precision Temperature Control for SFC Using the Agilent 1260 Infinity II Multicolumn Thermostat

Agilent Technologies has produced a Technical Overview demonstrating the use of the Agilent 1260 Infinity II Multicolumn Thermostat in the Agilent InfinityLab Supercritical Fluid Chromatography (SFC) Solution. It describes how the post column...

How to Achieve High Temperature GPC Analysis of Polyphenylene Sulfide

Tosoh Bioscience has produced an application note describing how polyphenylene sulfide (PPS) analysis can be successfully achieved using its EcoSEC high temperature GPC system.

Effective Analysis of Asphalt Binders

Tosoh Bioscience has produced an application note describing the analysis of asphalt binders using gel permeation chromatography.

Analysis of Bio-Inspired Alkylalanoid Polymers

Tosoh Bioscience has produced an application describing how to improve reproducibility of MW measurements of polypeptoids using an EcoSEC GPC system.

Monitoring Single-Chain Nanoparticle Formation

Tosoh Bioscience has produced an application note describing how to monitor single-chain nanoparticle formation and characterize nanoparticles using multi-pore TSKgel GPC columns.

     

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