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App Notes

Results 21–30 of 1174

Direct Trace-Element Analysis in Cell Culture Media and Raw Materials with the NexION 5000 ICP-MS

| Contributed by Perkin Elmer

Metal ions are important components of cell culture media as they are enzyme cofactors and their variation can influence the growth of cultured cells

A Novel Method for the Fast, Sensitive, and Simple Analysis of Total Fluorine in Wastewater

| Contributed by Analytik Jena

The introduction of carbon-fluorine bonds into organic compounds is known to profoundly influence their chemical and physical properties...

Improved characterisation of malodours in recycled plastics using TD–GC×GC with BenchTOF2 MS

| Contributed by SepSolve Analytical

The analysis of plastic has gained increased attention in recent years, due to the global push to move to a circular economy

Biomarker discovery

| Contributed by SepSolve Analytical

Essential guide to analysing VOCs in breath and other biological samples.

Simultaneous Determination of Eight Nitrosamine Impurities in Metformin Extended-Release Tablets Using the Agilent 6470 Triple Quadrupole LC/MS

| Contributed by Agilent Technologies

Detection of regulated genotoxic impurities from the drug manufacturing process


| Contributed by Leco

How high does resolving power need to be?

Removing User Bias from Structure Verification by NMR

| Contributed by ACD Labs

Chemical structure verification by NMR is one of the most fundamental, and yet challenging practices in synthetic chemistry

Improved Hydrocarbon Fractionation Using a Novel Silver-Phase SPE Sorbent

| Contributed by UCT

This note outlines a new specialized SPE sorbent designed to help overcome challenges with traditional silica gel fractionation

Increasing throughput of the LC-MS analysis of pesticide residues in food

| Contributed by Thermo Fisher Scientific

Today it is typical for laboratories to analyze 250 or more pesticides in a single LC-MS analysis and often in complex matrices

High sensitivity screening of antineoplastic drugs using a 1 mm diameter YMC-Triart C18 UHPLC column

| Contributed by YMC

In this application note, the screening of 6 antineoplastic drugs is shown

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