FAQ

What is the Observed Rotation?
Observed rotation is the extent to which plane-polarized light is rotated by a solution of an optically active compound. Observed Rotation is usually measured using the Degree for Angle. Note that the value of Observed Rotation is always negative.
Can the Observed Rotation be negative?
Yes, the Observed Rotation, measured in Angle can be negative.
What unit is used to measure Observed Rotation?
Observed Rotation is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Observed Rotation can be measured.
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