Hi, as said, I repeated the process following the instructions of the document (and your comments) step by step. I got exactly the same product on this step:
View attachment 8916
I took the oily layer (top layer, which has P2P) and once it cooled down after 10 minutes it has this aspect:
View attachment 8917
.
Then I added DCM over the other layer (the "water") in order to make the first extraction, however, this was the aspect of the mixture:
View attachment 8918
View attachment 8919
View attachment 8920
as you can see, there was some kind of white precipitate on the bottom, there were not two layers, just the white solids and the rest.
What did I do wrong? The document is not very clear...
Many thanks in advance and sorry for that many questions, but this process it is being a headache...