Paradigm Sensorsâ (USA) affordable i-SPEC⢠Q-100 handheld biodiesel analyser, introduced at the National Biodiesel Conference & Expo in February, enables users to test in the field within minutes for total glycerin (either B100 or blended biodiesel, B2-B99), methanol, and acid number as well as measure diesel/biodiesel blend percentages. With the i-SPEC⢠biodiesel producers can test their B100 affordably, between lab checks, blenders can determine incoming quality, fleet managers and owners can now test on site to determine the quality and blend percent of their biodiesel , regulators now have a convenient and cost effective means to screen biodiesel and increase throughput and revenue agents can screen for percent blend onsite.