“Was the child continue to investigate patiently in the city of Iwaki iron lines and α in the blog’s “, has been detected (Pu-238, Pu-239, Pu-240) plutonium of trace from the iron plate of Exposed in the fields has been reported with was.
Professor Masayoshi Yamamoto, Kanazawa University, Centre for Environmental Studies Japan Sea ring is inspected, from the results Pu238/Pu239, assertive and is derived from Fukushima Daiichi nuclear power plant from 240 radioactivity ratio was.
In addition, Pu239, 240/Cs-137 radioactivity ratio has become 200 times the estimate of the government, as well as to distribution in plaques that radioactive iodine and radioactive silver, (the difference of behavior) also Fractionation plutonium and is presumed to exist if there has been.
Personally infer about the emission ratio, and not of being also affects the distribution of (Np-239) is the parent nuclide of neptunium (Pu-239) plutonium.
For neptunium from that half-life 2.36 Sun, which is the point I think from now on can not be proven is impatient It should be noted.
(Comments of Dr. Yamamoto)
We will send the measurement results.
Pu is detected, and was surprised to be honest.
Pu is already widely in the nuclear test, are distributed at low levels.
With this Pu, Pu238/Pu239, 240 radioactivity ratio is about 0.03.
This ratio is 0.8 this is clearly high, and contains the primary origin of Pu.
Government estimates of emissions is 3.
Exposed in the fields of iron and to think and not the adhesion of Pu of nuclear testing,
you made me think why and what ratio is low.
It may also lower the ratio of Pu with 0.8 instead of all three has been released.
Pu239, 9.0E-5 in the ratio of radioactivity
240/Cs-137, 200 times the government estimate of 4.3E-7, Pu has been detected and many more. It seems that it is for Fractionation (difference of behavior) is present perhaps.
I think if you can analyze and Am-241 as well as uranium, if possible currently.
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