This EEC covers the analysis of grab samples for Interfacial Tension (IFT) on the Drop Volume Tensiometer. IFT is an analysis that determines the i…
Office of NEPA Policy and Compliance
June 23, 2026This EEC covers the analysis of grab samples for Interfacial Tension (IFT) on the Drop Volume Tensiometer. IFT is an analysis that determines the integrity of a tributyl phosphate (TBP)/hydrocarbon solvent by measuring the interfacial tension between the solvent and an aqueous sodium carbonate solution.