After extracting with acidic water and concentrating this residue was left on the pan kind of a smooth feel when rubbed between the fingers((PXL_20231114_232143531.jpg approximately 100mL of DCM was added and separated... when adding 10% NaOH (aq) to the DCM solid precipitated((Ok.jpg)).. Then the solution was brought to pH 13 ..again DCM was used and upon evaporation it contained next to nothing. After a week the solution looks like this ((PXL_20231114_232309404.jpg )) testing several naphtha products from the hardware store using a mirror and a good loop I'm still seeing a bit of distillate left outlining where the drops where.