The American researchers from different institutes including the University of Maryland Baltimore, Johns Hopkins University Baltimore and the University of Maryland College Park, supported the idea of establishing a standard for e-liquid. Such standard is in the form of a Certified Reference Material, CRM. Built upon the technical specifications PAS 54115:2015 and XP D 90-300-2 produced by … Continue reading A Certified Reference Material to test and improve the quality of e-liquids