Ad

in plants, birds, and crabs bus not im fish muscle nor in

seuss éf. the coconuts.

The greatest amoung oF se? found in the

January 1955 samples was 27 x oO”
~6

us/e wet weight of coconut

grab miscle,

,

,

Hethod for Radtostrontiua Separation. The fuming nitric acid
precipitation method was used, the sample being dissolved in

dilute nitric acid and strontium carrier then added, Por the
acid concentration to 72 pereent by the addition of 90 percent

| hdteie acid and atirring for one-half hour, ‘the precipitated
' strontium nitrate was dissolved in water, scavenged with ferric

hydroxide and precipitated a second time from 72 percent

|. Witte acid, then counted for strontium radioactivity, ‘Three
spikesrun doneurrently with the bird samples gave a yleldof
59,2 20.9 percent, Separation of ¥°° ‘teow the strontium
indicated that one-third to one-half of the total strontius was

gtrontium-90 as of the counting date, December 1994,

Strontium analysed of samples of coconut meat and milk and
pandanus fruit fron the January 1955 collection were made June 14,

1955. The procedurewas similar to that above except that 75
percent nitri¢ acid was used and the seavenge with ferric hydroax-

se

a

BeenRE Se aT ety
:
ERE,
EE gO

ee

-

ide was followed by a scavenge with mized sulfides in acid and
in alkaline solution, Feur spikes in non-radioactive fish meal
aah run concurrently with these samples gave a yleld of

65 8.£5.43 percent...four.blanks using the same fish meal and
run. as. a: check on the: Fadioacbivity in ‘the meals the reagents |
andon the glagowere™ gave counte‘ofOy:tyOy ‘and 0
“oemEKnaAITSy2 HARLIN IRE TON

Yields from

ee
a ae Ce es he
SE a heainw 8
Pane b rnahaiiEN APT EB MRE womecdcyemhe Se lat ee

pird tissues the stronsiwn waa precipitated by increasing the

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