Table 4: Reproducibility of the method.

Sr. no.Gd(III) 100 μgRecovery %S.D

110099.90.010
210099.90.069
310098.90.005
410099.20.032
5100990.014
610099.30.010
710098.90.032
810099.60.062
9100990.015
1010099.80.033
1110099.80.047
1210099.80.023
1310099.60.010
14100990.015
1510099.80.037
1610099.850.031
1710099.920.060
1810099.80.034
1910098.750.010
2010098.990.016
2110099.960.011
2210099.930.040
2310098.80.015
2410098.880.010
2510099.90.010
2610098.750.053
2710098.890.016
28100990.005
2910099.360.008
3010099.630.011