Does anyone have an idea of how low the mercaptan level needs to be to get a negative (sweet) on the ASTM D-4952 Doctor Test? Some fuel specs state 20 ppm S as mercaptan or to pass a Doctor Test. My expectation is that the Doctor Test is more stringent. (In this case I am assuming there is no...
Would anyone be able to share some information on the cold-flow-property blending methods, in particular the pour point blending method, that uses the pour point index? I am looking for an estimation method that was developed by Chevron. It seems to have been picked up in the Crude Assay...
