Table 3: Application of proposed methods for the determination of BRH in pharmaceutical preparation.

BRHBTB (A)BPB (B)BCG ( C)I2 (D)KMnO4 (E)

Taken (µg mL−1)5.005.005.0010.0020.00
7.007.007.0020.0030.00
9.009.009.0030.0040.00
11.0011.0011.0040.0050.00

Found (µg mL−1)4.955.044.989.9620.06
6.946.977.0619.9429.95
9.058.979.0529.9640.03
10.9411.0711.0840.0250.09

Recovery (%)101.0199.21100.40100.4099.70
100.86100.4399.15100.30100.17
99.45100.3399.45100.1399.93
100.5599.3799.2899.9599.82

Mean 100.4799.8399.57100.2099.90
SD1.121.552.200.97 1.70
Reference method [14]

-test (1.10)*1.280.080.190.880.16
-test (2.61)*1.252.404.840.942.89

Each result is the average of four separate determinations. Values in paranthesis are the tabulated and values, at [27].