Mass of Barium

(µg)

Gamma Measured at 356 keV

(Counts)

Ba-133 Recovery

(%)

(0) Standard

11673.4 ± 105

100.00

50

6140.21 ± 131.5

52.6 ± 3.01

100

7062.41 ± 142.2

60.5 ± 4.3

150

8253.09 ± 155.23

70.7 ± 5.6

200

9455.45 ± 167.2

81 ± 6.4

250

11101.40 ± 131.5

95.1 ± 3.8

300

8836.76 ± 140.95

75.7 ± 3.9

350

11486.63 ± 142.5

98.4 ± 4.09