A Stability Indicating HPLC Assay Method for Analysis of Rivastigmine Hydrogen Tartrate in Dual-Ligand Nanoparticle Formulation Matrices and Cell Transport Medium

Table 3

The precision of the HPLC method for determination of RHT.

RHT conc. (µg/mL)	RHT in NPs matrix		RHT in release medium		RHT in cell transport medium
	Average RHT peak area (mAU × sec)	RSD (%)	Average RHT peak area (mAU × sec)	RSD (%)	Average RHT peak area (mAU × sec)	RSD (%)
1	36.50	1.04	36.22	1.28	36.02	1.06
4	145.97	0.59	145.82	0.67	144.24	0.66
6	219.73	0.49	220.98	0.28	218.64	0.48
10	370.20	0.17	369.30	0.19	369.15	0.23