SEARCH Articles Figures Tables Approaches to Determine Solid Surface Tension by Contact Angle Approaching Old Problems From A New Angle Contact angle measurement thermodynamic approaches Impact Parameter, Scattering Angle, and Distance of Closest Approach Overview of ATR FT-IR Imaging Approaches Micro (Ge), Macro (Diamond, Si), Expanded FOV (ZnSe), Variable Angle Solid surface tension, contact angle approaches