Astm D95 Pdf Upd -

[ \textWater content (vol%) = \fracV_wV_s \times 100 ]

Understanding ASTM D95: The Standard for Water in Petroleum Products Astm D95 Pdf

Since water and the solvent don't mix and have different densities, the water settles at the bottom of the trap. The solvent overflows back into the flask to continue the process. Measurement: [ \textWater content (vol%) = \fracV_wV_s \times 100