Selective Consecutive Determination of Desloratadine and Montelukast Sodium in Their Pure and Binary Dosage Form Based on Pencil Graphite Electrochemical Sensors

Table 4

Determination of DES and MON in laboratory prepared mixtures by the proposed sensors.

Ratio		Recovery %
DES	MON	DES.RNK sensor	MON.Cd. sensor	Combined sensor
				DES	MON
1	1	100.65	100.98	100.54	100.92
1	2	99.93	100.56	99.89	99.75
1	5	98.23	100.23	98.11	100.05
2	1	100.18	99.34	100.08	99.22
5	1	100.87	98.92	100.76	100.79
Mean ± SD		99.97 ± 1.04	100.01 ± 0.86	99.71 ± 1.30	100.15 ± 0.71