Marine debris is widely recognized as a global environmental problem. One of its main
components, microplastics, has been found in several sea salt samples from different
countries, indicating that sea products are irremediably contaminated by microplastics.
Previous studies show very confusing results, reporting amounts of microparticles (MPs) in
salt ranging from zero to 680 MPs/kg, with no mention of the possible causes of such
differences. Several errors in the experimental procedures used were found and are�…