Kenneth Neubauer

The determination of metals in hygienic face masks is important for global heath at this time. Following the guidelines of ISO 18562-4, an ICP-OES method is described including sample preparation, analysis, and validation of the methodology.

Attaining accurate quantitative results in atomic spectroscopy requires proper calibration, especially when measuring low-level concentrations near detection limits. This tutorial explains key concepts of calibration, illustrated with specific examples.