Is it me or is this paper retarded? It claims that cold-water-extraction of codeine from paracetamol doesn't work because when they tried, 60% of the paracetamol remained in the filtered solution. However according to the paper they dissolved essentially 4g of paracetamol in 250ml of water at 4 degrees celsius. Another paper said paracetamol has 8mg/ml solubility in 5 degree water so that 250ml should dissolve about 2 g paracetamol. This would explain why they were still left with just over half the paracetamol in solutionSo it didn't work because they used too much water. But this seems obvious, I don't see how the University of Australia could have made such a mistake. Am I missing something here?
I am going to assume this paper is retarded and my lean is good and not going to kill me. Used 100% real grape juice as well.
Someone please help because I'm scared to CWE higher doses of codeine in case the paper is right.