By shaking, Carrez I (5 ml) and Carrez II (5 ml) solutions were added. The optical rotationwas then measured in a 200mmtube using a Perkin Elmer 341Polarimeter (PerkineElmer, Waltham, MA, USA).
By shaking,Carrez I (5 ml) and Carrez II (5 ml) solutions were added. The opticalrotationwas then measured in a 200mmtube using a Perkin Elmer341Polarimeter (PerkineElmer, Waltham, MA, USA).