A New Technique for Quantitative Determination of Dexamethasone in Pharmaceutical and Biological Samples Using Kinetic Spectrophotometric Method

Table 2

Determination of dexamethasone in ear-eye drop (0.1%) and injection solution (8 mg/amp) using the developed procedure.

Sample	Found^a	RSD (%)	Labeled	Statistical t test^b	Pharmaceutical company/batch number
Ear-eye drop
1	0.99 ± 0.001	1.01	0.1%	1.73	Daru Pakhsh-Iran/514
2	0.101 ± 0.001	0.99	0.1%	1.72	Daru Pakhsh-Iran/519
Injection solution
1	7.92 ± 0.80	1.00	8	1.74	Daru Pakhsh-Iran/352
2	8.04 ± 0.79	0.98	8	0.88	Daru Pakhsh-Iran/309

Mean standard deviation ().
^bTabulated -value for two degrees of freedom at is 4.30.