Using Anton Paar’s Cora 5001 Raman spectrometer to analyze the quality of hand sanitizers

As hand sanitizers are supposed to prevent infections their quality is of paramount importance. Uncovering adulteration with toxic methanol or sub-potent active ingredient concentrations is easily possible using Cora 5001 Raman spectrometers.

Anton Paar’s Cora 5001 Raman spectrometers offer a fast and non-destructive analysis to identify low-quality consumer products, e.g. in case of adulterated products. In times of a global pandemic like COVID-19, hand sanitizers have become a product for everyday use to prevent infections. Those products are intended to improve human health. Since the COVID-19 pandemic lead to shortages in the availability of hand sanitizers the FDA published a temporary and less restrictive production guideline. However, governmental agencies like the FDA had to subsequently ban several hand sanitizers as they presented a risk to consumers health instead of preventing harm.Main reasons for such bans are:

  • Sub-potent active ingredient concentration (ethanol or isopropanol) that has no or less effect on germs.
  • Adulteration or exchange of the active ingredient with toxic methanol.

Raman spectroscopy is a useful and fast tool to offer a solution for those problems as it can identify the main component of hand sanitizers, it can verify if it is contaminated with methanol and even sufficiently quantify the amount of methanol added to the hand sanitizer.

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