On the other hand, a 0.5 wt% PEG solution was prepared in a steel capsule with two balls and milled horizontally to form a homogenous solution of the product PEG-NP-M.
On the other hand, a 0.5 wt% PEG solution was prepared in a steel capsule with two balls and milled horizontally to form a homogenous solution of the product PEG-NP-M.milled