masseanalyse
Mass analysis, known in Danish as masseanalyse, is a method in analytical chemistry for determining the mass and composition of chemical species by measuring their mass-to-charge ratio, usually after ionization. A mass spectrometer is the central instrument, consisting of an inlet for the sample, an ion source, a mass analyzer, and a detector. The sample is converted into ions, which are separated in the analyzer according to m/z and then recorded as a mass spectrum.
Common ionization techniques include electrospray ionization (ESI), which creates multiply charged ions from liquids, and Matrix-Assisted
High-resolution mass spectrometry (HRMS) provides accurate masses, enabling determination of elemental compositions. Data interpretation yields molecular
Preparation, calibration, and standards are important to ensure accuracy. Limitations include ionization efficiency biases, matrix effects,