Table 1.

Determination of epinephrine in formulation by ultraviolet spectrophotometry and biosensor

Sample	Label value (mg/mL)	Pharmacopoeia method (mg/mL)	Biosensor (mg/mL)
Anapen® (Owen Mumford Ltd, Woodstock, UK)	1	1.010	0.993
Adrenaline 1 mg (Terapia SA, Cluj-Napoca, Romania)	1	1.041	0.986
Articaine/adrenaline (Sanofi-Aventis Deutschland GmbH, Berlin, Germany)	0.010	36.226	0.012

Note: Relative standard deviation for Romanian Pharmacopoeia method was 2.2%; relative standard deviation for biosensor was 3.5%.