cryoscopy is the method most used in biological research to determine molecular concentration.
The method of cryoscopy is also of considerable service in forensic medicine.
The most promising of the methods which have been devised are cryoscopy, the methylene-blue test, and the phloridzin test.
cryoscopy cry·os·co·py (krī-ŏs'kə-pē)
A technique for determining the freezing point of a liquid, such as blood or urine.