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Table 2.
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Biological half-life (T,,), elimination rate (K;,) and percent uptakeof ingested
237 Py in various chemical forms by channel catfish (/ctalurus punctatus)
Values are mean + 1 S.E. and coefficient of determination (17)
cal
S64
Chemical
Form
737 Py-citrate
237Py-fulvate
ON
6
§
237Py-hydroxide 5
“7, = days
Ky,
(days~!}
—0,024 + 0.005
—0.036 + 0.016
—0.036+ 0.018
To,
30.24+2.8
24.3445
%Uptake
099
0.97
13.4£1.7 0.99
1054257
1624018
6.1741.39
Ky,
(days~!)
-—0.0013
Ranseof
Ky,
0-0.0053
3
534