Table 2.

Recovery of Americium-241 From Dissolved Tissue

Tissue

Sample

Added

Recovered

(g)

(dpm)

(dpm)

Wt. Range.

Liver
Nose

100-500
<50

Liver
Lung
Skel. Rem. (

100-500
<50
100-500

Paw + Tail’

Paw + Tail©?

100-500
100-500

(a)

300 + 30
484 + 29

1,290 + 52

1,690 + 17
2,600 + 52
3,570 + 71

10,900 + 109

(b)

341 +17
456 + 41

1,260 + 38

1,690 + 101
2,320 + 46
3,740 + 75

11,700

Mean Deviation, Sign Neglected
Mean Deviation, Sign Included

Deviation
hs

(-) 12.0
8.5

2.4

-0(-) 11.0
4.8

11.6
7.2
0.6

(a) Added--from gamma spec assay of total.
(b) Recovered--isotope dilution
analysis from 0.01 to 5% aliquot of solution.
Samples with bony material are dry ashed and dissolved.

282

ra

(c)

Select target paragraph3