Rapid Discrimination of Chlorpheniramine Maleate and Assessment of Its Surface Content Uniformity in a Pharmaceutical Formulation by NIR-CI Coupled with Statistical Measurement

Table 3

Volume content uniformity assessment (quartered samples) using HPLC.

Number	1	2	3	4	5	6	7	8	9	10
Peak area (mAU·s)	713	841.3	799.7	749.2	799.3	852.2	739.4	776.3	822.9	807.4
Content (mg)	8.13	9.57	9.72	8.54	9.10	9.69	8.43	8.84	9.36	9.19
A + 1.8S	19.44>15.00