Table 1.

Performance characteristics of UV-spectrophotometric methods.

S.No.	Diluent	λmax (nm)	Linear range (µg/mL); molar extinction coefficient, Є (L/mol/cm)	LOD (µg/mL)	LOQ (µg/mL)	Application	Reference
1	–	–	0.8–2.8	–	–	Bulk drug, tablets, creams	[9]
2	Methanol	223	1–3.5	0.11	0.33	Tablets	[10]
3	Methanol	282	8–24	0.35	0.81	Tablets	[11]
4 (a)	0.1 mol/L HCl	222	0.2–4.0; 8.72×104	–	–	Bulk drug, tablets SIAM	[12]
(b)	0.1 mol/L acetic acid	282	2.0–50; 7.97×103	–	–	Bulk drug, tablets SIAM
5	0.1 mol/L HCl	223	1–3.5	0.086	0.26	Tablets	[13]
6	Water	283	5–30	0.42	1.3	Bulk drug, tablets, eye drops	[14]
7	–	–	10–100 mg/mL	1.11 mg/mL	3.36 mg/mL	In the presence of degradation products	[15]
8	–	297; 298	5–30	–	–	Tablets, creams	[16]

SIAM: Stability-indicating assay method.