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Chromatography and mass spectrometry is our passion!

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Peak detection (First Derivative)

Please start OpenChrom, load a chromatogram and modify the peak detector settings (Menu > Window > Preferences > Chromatography/Spectrometry >…

PCA – GC/MS data

OpenChrom offers rudimental functionalities to run a principal component analysis (PCA) on chromatographic/mass spectrometric data. This is especially helpful when…

SGH calculation of Py-GC/MS data

OpenChrom can be used to perform a calculation of the SGH (Syringyl/Guaiacy/p-Hydroxyphenyl) and carbohydrate ratio of a wood sample measured…

OpenChrom and NIST-DB

This tutorial shows how to use OpenChrom for an automated identification of peaks using the NIST/EPA/NIH Mass Spectral Library. You…

ESTD Quantitation

OpenChrom enables users to quantify chromatograms using internal standards (ISTD). It’s also possible to use external standards (ESTD). First of…

ISTD Quantitation

It’s quite easy to use internal standards (ISTD) for the quantitation of chromatograms in OpenChrom. The first step is to…