Uranium fission and plutonium production in the undergraduate lab

2020 ◽  
Vol 88 (3) ◽  
pp. 200-206
Author(s):  
Jos van Willigen ◽  
Casper Loman ◽  
Pjotr Thibaudier ◽  
David B. R. A. Fokkema ◽  
Tom W. Hijmans
Keyword(s):  
Plutonium Production ◽  
Uranium Fission

Language, Body, Nature: Tackling the Representation of the Kyshtym Disaster in Kate Brown’s Plutopia

2018 ◽  
Author(s):  
Kamila Gieba
Keyword(s):  
Public Sphere ◽  
Cognitive Theory ◽  
Nuclear Radiation ◽  
Nuclear Families ◽  
The Public ◽  
Production Site ◽  
Cultural Texts ◽  
Plutonium Production ◽  
The Public Sphere ◽  
Surrounding Areas

The article examines ways of representing nuclear catastrophe in Kate Brown's Plutopia: Nuclear Families, Atomic Cities, and the Great Soviet and American Plutonium Disasters. In 1957 an explosion in the Mayak works - a plutonium production site - led to massive contamination of the surrounding areas. The event remained a closely kept secret till 1992, absent from the public sphere and cultural texts, despite the fact that the scale of contamination was as big as the Chernobyl explosion. One of the reasons for this was the difficulty of representing nuclear radiation. The author focuses on three contexts of this impossibility: in relation to the cognitive theory of the metaphor, the figure of the sick body as bearer of memory, and the invisibility of the nuclear landscape.

scholarly journals Revisiting the Analysis of the Isochronous Mass Measurements of Uranium Fission Fragments at the ESR

2020 ◽  
Vol 227 ◽  
pp. 02012
Author(s):  
R. S. Sidhu ◽  
R. J. Chen ◽  
Yu. A Litvinov ◽  
Y. H. Zhang ◽  
Keyword(s):  
Experimental Data ◽  
Data Analysis ◽  
State Of The Art ◽  
Fission Products ◽  
Mass Measurements ◽  
Fission Fragments ◽  
Uranium Fission

The re-analysis of experimental data on mass measurements of ura- nium fission products obtained at the ESR in 2002 is discussed. State-of-the-art data analysis procedures developed for such measurements are employed.

MEMBRANE EXTRACTION IN PRECONCENTRATION OF SOME URANIUM FISSION PRODUCTS

1984 ◽  
Vol 2 (2) ◽  
pp. 227-252 ◽  
Author(s):  
F. Macášek ◽  
P. Rajec ◽  
R. Kopunec ◽  
V. Mikulaj
Keyword(s):  
Fission Products ◽  
Membrane Extraction ◽  
Uranium Fission

Laser Beam Transmission by Inorganic Liquid Activated by Neodymium and Uranyl in Pulsed Excitation by Uranium Fission Fragments

Atomic Energy ◽  
2017 ◽  
Vol 121 (6) ◽  
pp. 448-455 ◽  
Author(s):  
P. P. D’yachenko ◽  
P. A. Kulikov ◽  
E. A. Seregina ◽  
A. A. Seregin ◽  
G. V. Tikhonov
Keyword(s):  
Laser Beam ◽  
Pulsed Excitation ◽  
Fission Fragments ◽  
Beam Transmission ◽  
Uranium Fission

«Nuclear Alarms» at Korean Peninsula

2013 ◽  
pp. 3-16
Author(s):  
A. Fenenko
Keyword(s):  
Nuclear Weapons ◽  
Korean Peninsula ◽  
North Korea ◽  
Fuel Cycle ◽  
Nuclear Fuel Cycle ◽  
The United States ◽  
Nuclear Facilities ◽  
Military Conflict ◽  
The Usa ◽  
Plutonium Production

During the last twenty years Washington has used the “counter-proliferation strategy” in Korean Peninsula. The Americans demanded that North Korea eliminate its nuclear arsenals and plutonium production facilities under the watchful eye of the “five powers’ commission” or the IAEA. Pyongyang's recent military provocation may now raise the specter of the United States or even South Korea delivering non-nuclear strikes against its nuclear facilities. That would give the USA an opportunity to raise the question of whether certain regimes should be allowed to acquire nuclear weapons or even to develop nuclear fuel cycle capacity. The last crises demonstrated that under certain circumstances North Korea could also initiate a military conflict in East Asia.

scholarly journals PEMBUATAN RADIONUKLIDA MOLIBDENUM-99 (99Mo) HASIL AKTIVASI NEUTRON DARI MOLIBDENUM ALAM UNTUK MEMPEROLEH TEKNESIUM-99m (99mTc)

2016 ◽  
Vol 22 (2) ◽  
Author(s):  
Indra Saptiama ◽  
Herlina Herlina ◽  
Sriyono Sriyono ◽  
E. Sarmini ◽  
Abidin Abidin ◽  
...  
Keyword(s):  
Fission Product ◽  
Specific Activity ◽  
Target Material ◽  
Gamma Spectrometer ◽  
Quartz Ampule ◽  
Radionuclide Separation ◽  
Outer Capsule ◽  
Parent Radionuclide ◽  
Daughter Radionuclide ◽  
Uranium Fission

PEMBUATAN RADIONUKLIDA MOLIBDENUM-99 (99Mo) HASIL AKTIVASI NEUTRON DARI MOLIBDENUM ALAM UNTUK MEMPEROLEH TEKNESIUM-99m (99mTc). Pembatasan penggunaan uranium sebagai target untuk produksi 99mTc menyebabkan rumah sakit di Indonesia  kesulitan mendapatkan pasokan 99mTc. Saat ini 99mTc diperoleh dari 99Mo hasil fisi (pembelahan uranium).  Pembuatan radionuklida 99Mo dari aktivasi neutron  molibdenum alam (MoO3) di teras reaktor G.A Siwabessy digunakan sebagai metode alternatif untuk memperoleh 99mTc. Tujuan penelitian ini adalah untuk melakukan pembuatan radionuklida 99Mo dari aktivasi neutron molibdenum alam untuk memperoleh 99mTc. Serbuk MoO3 alam sebanyak 5 gram dikemas dalam ampul kuarsa dan dimasukkan ke dalam inner capsul selanjutnya dikemas menggunakan outer capsul sebagai bahan target. Bahan target diiradiasi di reaktor G.A Siwabessy selama 100 jam. Hasil perhitungan diperoleh aktivitas  99Mo sebesar 65 % dari nilai maksimum yang dapat diperoleh. MoO3 paska iradiasi dilarutkan dengan NaOH 4 M sehingga diperoleh larutan natrium molibdat (Na2MoO4). Radionuklida 99Mo dan 99mTc diukur menggunakan spektrometer gamma. Radionuklida 99Mo terdeteksi dalam produk larutan  Na2MoO4 dengan  aktivitas jenis 99Mo yang diperoleh sebesar 0,81 Ci 99Mo/g Mo.  Radionuklida anak luruh 99mTc dipisahkan dari radionuklida induk 99Mo menggunakan kolom pemisah yang berisi material berbasis zirkonium (MBZ) sebagai penyerap 99Mo. Radionuklida 99mTc hasil pemisahan diperoleh dalam bentuk natrium pertehnetat (Na99mTcO4).dengan recovery yang masih rendah yaitu sekitar 52 hingga 71 %.Kata kunci: Molibdenum, teknesium, radionuklida, pemisahan, iradiasi. PRODUCTION OF ACTIVATED  NEUTRON MOLYBDENUM-99 (99Mo) RADIONUCLIDE FROM NATURAL MOLYBDENUM TO OBTAIN TECHNETIUM-99m (99mTc).  Uranium usage restriction causes the hospitals in indonesia difficult to obtain the suply of  99mTc. At Present, 99mTc is obtanied from molybdenum as a uranium fission product. Production of 99Mo radionuclide resulted from neutron activated natural molybdenum (MoO3) in G.A Siwabessy reactor could be used  as a alternatif method for producing 99mTc. The aim of this research is synthesize of   99Mo radionuclide from neutron activated natural molybdenum  (MoO3) to obtain 99mTc. The five grams of  MoO3 powder was packed in a quartz ampule and inserted into inner capsule then also inserted into outer capsule as a target material. It was iradiated in G.A Siwabessy reactor for 100hours. Based on theoritical calculation, about 65 % of maximum 99Mo activity could be recovered. After Irradiation,  MoO3 was dissolved by NaOH 4 M solution so it was natrium molybdate (Na2MoO4) solution. 99Mo and 99mTc radionuclide were analyzed using gamma spectrometer. 99Mo radionuclide was detected on Na2MoO4 solution as product that had specific activity of 0.81 Ci 99Mo/ g Mo. 99mTc as daughter radionuclide was separated from 99Mo as parent radionuclide using separated column containing zirconium based material (ZBM) as 99Mo adsobent. 99mTc radionuclide has been succesfully separated using ZBM column although recovery of 99mTc  was quite low in which approximately 52 to 71 %. The 99mTc radionuclide was recovered in the form of sodium pertechnetate (NaTcO4) solution.Keywords: Molybdenum, technetium, radionuclide, separation, irradiation.

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