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

Table 2

Volume content uniformity assessment (whole samples) using HPLC.

Number	1	2	3	4	5	6	7	8	9	10
Peak area (mAU·s)	706.8	738.2	743.8	755.5	799.3	718.5	720.3	737.1	728.0	719.5
Content (mg)	40.32	42.07	42.39	42.76	40.44	40.97	41.07	42.01	41.50	41.03
A + 1.8S	7.30<15.00