The Effect of Polymer Content on the Non-Newtonian Behavior of Acetaminophen Suspension

Table 3

Indicator for defining the type of rheological behavior (𝑁), hysteresis loop, and pseudoplastic viscosity at 30 rpm (𝜂₃₀) in different formulations.

Formulation	𝑁	Hysteresis loop; (dyne·cm/min)	𝜂30 (cp)
𝐹6	2.039	286	290.93
𝐹7	2.063	984	635.30
𝐹8	*	*	*
𝐹9	1.973	279.9	564.05
𝐹10	2.030	327.9	635.30
𝐹11	*	*	*
𝐹12	2.081	486.9	831.23
𝐹13	1.860	157	670.92

∗More than instrument detection range.