... . . . .. .....

.._ . -.

.-

,,

Iron-!;5 Analyses
—.
IL-OIA-55 VJaS sc:paratecl and purified
solvent

extraction

Beaslcy,

1967) .

was

by X–ray

done

and el.ectrodeposition
Recoveries

generally

spectroscopy

with

conjunction

v;ith a multichannel

Bismuth-207

Analyses

The

solvent

were

used

used

as a yield

‘by

extraction

for separating

a

co.:~i-n”a~~~~l

techniques

exceeded

(Palmer

and

Counting

90%.

a proportional

Of

counter

in

analyzer.

techniques

of Sill
207Bi

and purifying

.

and Willis

(1965)

Bismuth-212

was

determinant.

Plu’coniurh-238, 239 Analyses
239 was

Plutonium-238,
extraction
1960;
the

a-nilanion

Kressin

final

determine

exchange

and Waterbury,

step

separated

in the

the corallire soils

1962),

nant

and that

Tritium

separation

counting

be done by

Pu be used
alpha

used

of plutonium

is exceptionally

that

was

as
to

from

difficult

as a yield

and

determi–

spectrometry.

Ailalvses

Well
liquid

essential

electrodeposition

Plutonium-236*

and sediments

of solvent

(YlcCowan and Larsen,

with

separation.

236
it is therefore

a combination

techniques

A quantitative

yield.

by

water

samples

scintillation

of 200 tritium

* Provided

were

measured

technique

with

for tritium
a minimum

content

level

by

a

of detection

units.

by the

USAEC

Health

and Safety

.Laboratory,

New York.

Select target paragraph3