What is the reason for peak at 2.9 degree 2 theta (powder xrd) in amorphous powder of a tartrate salt of a Active pharmaceutical ingredient?

Powder XRD pattern show a peak (somtimes a hump) at 2.9 degree 2-theta and rest of the a pattern shows complete hallow amorphous pattern. This is a lyophilized powder of Active pharmaceutical...

07 July 2018 5,615 0 View