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App Notes

Results 331–340 of 1444

Cyclic Ion Mobility Resolves Biologically Relevant, Isomeric Endogenous Metabolites

| Contributed by Waters

In this application brief we demonstrate the ability of Cyclic IMS to separate small molecule isomers by utilizing multi-pass experiments.

Monitoring Microplastics in Our Oceans

| Contributed by Wasatch Photonics

Integrating Raman Spectroscopy & Holography for In-situ Detection

Quantitative Analysis of Residual Monomer in PMMA by Thermal Desorption-GC-MS

| Contributed by CDS Analytical

This application note demonstrates quantitative analysis of monomer contamination in a polymer by performing TD-GC-MS.

UHPLC Analysis of 6 common nitrosamines using YMC-Triart C18

| Contributed by YMC

In this application note, 6 nitrosamines are separated using YMC-Triart C18.

TD–GC–MS analysis of VOCs in air using hydrogen carrier gas

| Contributed by Markes International Ltd

Helium is a finite resource that is increasingly expensive and difficult to source as a gas chromatography (GC) carrier gas.

Optimising the analytical performance of sorbent tube sampling and thermal desorption–GC–MS for disease diagnosis via breath and bio-monitoring

| Contributed by Markes International Ltd

Optimising the analytical performance of sorbent tube sampling and thermal desorption–GC–MS for disease diagnosis via breath and bio-monitoring

Reducing the Environmental Impact of Wine Filtration

| Contributed by Sartorius

Filtration is used to clarify and stabilize wine before bottling

FT-IR Spectroscopy in Ultrahigh Vacuum: Surface Science Approach for Understanding Reactions on Catalytic Oxide Powders

| Contributed by Bruker

The fundamental advantage of using FT-IR spectroscopy in vacuum is to avoid the absorption of atmospheric moisture and other gas species (CO2).

Quantification of Phthalates in CE & RoHS Compliance Testing

| Contributed by CDS

The requirements for a CE mark now include the requirements for RoHS compliance, which consists of the disclosure of 4 phthalates

HPLC Analysis of SARS-CoV-2 drug Remdesivir and its active metabolite GS-441524 using YMC-Triart C18

| Contributed by YMC

This application note shows how to obtain a fast separation of GS-441524 and Remdesivir in only 3 minutes.

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