Different Stability-Indicating Chromatographic Techniques for the Determination of Netobimin

Table 5

Statistical analysis of the results obtained for the determination of netobimin in pure samples by the proposed methods and those obtained by the manufacturer method.

Item	Method (A)	Method (B)	Manufacturer’s method *[7]
Mean	99.4	99.7	99.9
S.D.	0.7	0.7	0.5
R.S.D %	0.7	0.7	0.5
Variance	0.5	0.5	0.3
𝑛	10	6	5
Studentۥs 𝑡	1.4 (2.160)	0.5 (2.262)
𝐹 test	1.7 (4.77)	1.7 (5.05)

Figures in parentheses are the corresponding tabulated values at P = 0.05.
*[7] Manufacturer method HPLC, mobile phase methanol : 0.05 M monobasic potassium phosphate of 60 : 40 by volume, respectively, UV set at 254 nm.