TABLE rit
Iodine Activation Analysis Resul=s on Standard Materials
Tsotopic
Concentration
7
127,
Material
Orchard Leaves, SRM-!1571
NBS Value
129,
149 :
2
129, 127,
oCi/g
Atom Ratio
1.629.3x102
6.0422.3x1079
1.7+0.7xi077
ng/2
188+
170
Atoms/2_
26
Ratio
River Sedimene, SRM-4350
5400+5000
8.8+10.0x10%
3.243.7x107?
3.2+0.9x1078
Clam, MA-3-1
$500+1300
3.220.2x10?
1.220.2%1074
1.320.1xi07/
SO
2.540.2x102
9.341.4x%1079
8.8+0.2x1077
<10
2.88+1.23
4.842.5x10/
1.8+1.1x107?
4.120.8x1019
1.3+0.3x1073
Zuman 3lood Serum, H-64
LAEA Value
Wheat Flour, V-3
IAEA Value
Grass, PNL-36593
590
800+ 129
200
70
4.3+0.8x1079
2Dry weighe basis
(dry/wee weight ratio = 0.0826).
Marshall Island soil samples have been analyzed at the Battelle Pacific
Northwesc¢ Laboratories and Table IV presents the data.
Included in this table
are analyses of samples from locations other than the Marshall Islands.
Comparisons, however, have to be made with reference to the effect of storage of
samples prior tao analyses.
losses of
129
Data from samples analyzed at Yanford indicate that
.
.
I from samples is minimal.