TS No. 32: Determination of Water and Sediment in Biodiesel August 26, 2024February 18, 2020 by Norsuzaini Based on ASTM D 1796 (1997) and using a centrifuge. This result is important because high water and sediment contents can corrode and block the fuel filters and injectors. Main Research: Harrison Lau Lik Nang