A New Method for Drying Tissues and Fluids

Rediscovery of an Extraction Technique

“…He traces it to Pinkus, in whose 1901 paper on the precipitation of proteins with sodium sulfate the method is mentioned in passing (2). Later papers (none of which cites Pinkus) again use sodium sulfate (3), plaster of Paris (CaSO 4 ) (4), anhydrous disodium phosphate (5), and calcium carbide (6). The more recent literature is almost silent on this method.…”