App Notes

A Compendium of Related Research Applications

Highly accurate standard addition and generation of standards and dilution series can significantly improve the quality of analysis results.

The Health and Safety Laboratory (HSL) UK runs a state-of-the-art atmosphere generation system for generating standard concentrations of hazardous materials such as VOCs.

Polymers are “special substances” in terms of REACH. However, companies have to prove that their products/educts are polymers.

Determining the water content of gases, liquids and solids can be achieved with a high degree of accuracy using Karl Fischer titration together with our Aquastar® reagents and standards from Merck. Now available to order on sigma-aldrich.com.

Analyzing samples of a raw broccoli and a broccoli that was processed to be sold frozen we show the sample-distinguishing differences that occur during food processing.

Now that the life science business of Merck KGaA, Darmstadt, Germany has brought together the exceptional knowledge, products, and capabilities of Merck Millipore and Sigma-Aldrich, you can trust that your results will have the sensitivity and reliability to shine

Peptide mapping is a critical workflow in biotherapeutic protein characterization and is essential for elucidating the primary amino acid structure of proteins.

This Application Note demonstrates the repeatability of a flow-modulated GC×GC–TOF MS system for the analysis of complex petrochemicals.

This Application Note demonstrates that Markes International’s automated thermal desorption systems offer excellent results for monitoring volatile organic compounds (VOCs) in stationary source emissions in accordance with the updated version of the European standard method CEN/TS 13649 released in 2014.