yellow cake

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07:55 May 10, 2009
English to Arabic translations [PRO]
Tech/Engineering - Mining & Minerals / Gems
Additional field(s): Nuclear Eng/Sci
English term or phrase: yellow cake
Definition from European Nuclear Society:
Yellow cake is the final product of the milling of uranium ore. It contains about 80 % of uranium oxide and is usually represented by the formula U3O8. The yellow cake produced by most modern mills is actually brown or black, not yellow; the name comes from the colour and texture of the concentrates produced by early mining operations due to impurities from ammonium diuranate (NH4)2U2O7.

Example sentence(s):
  • The solvents are removed by evaporating in a vacuum and ammonium diuranate, (NH4)2U2O7, is precipitated by adding ammonia to neutralize the solution. The diuranate is then heated to yield a purified, solid U3O8, known as yellow cake. Kennesaw State University
  • On site, close to the mines, the uranium is concentrated and transformed into a yellow powder, commonly called yellow cake, which contains 75% of uranium. It is in this form that the uranium is marketed. planete-energies.com
  • The first stage of this process is to dissolve the yellow cake in nitric acid; solvent extraction using tributyl phosphate in a hydrocarbon solution extracts the uranium from the various impurities and then the extract is washed with dilute nitric acid to produce uranyl nitrate in a very pure form. landmarkminerals.com
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Summary of translations provided
4الكعكة الصفراء (أكسيد اليورانيوم المركز)
Shazly


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92 days   confidence: Answerer confidence 4/5Answerer confidence 4/5
الكعكة الصفراء (أكسيد اليورانيوم المركز)


Definition from own experience or research:
Yellowcake is concentrated uranium oxide, obtained through the milling of uranium ore.
Uranium oxide
Uranium oxide is an oxide of the element uranium.
The metal uranium forms several oxides:
• Uranium dioxide or uranium(IV) oxide (UO2, the mineral Uraninite or pitchblende)
• Uranium trioxide or uranium(VI) oxide (UO3)
• Triuranium octaoxide (U3O8, the mineral uranite, the most stable uranium oxide)
Uranium dioxide is oxidized in contact with oxygen to the triuranium octaoxide.

Example sentence(s):
  • الكعكة الصفراء (أكسيد اليورانيوم المركز) - Wikipedia  

Explanation:
الكعكة الصفراء (أكسيد اليورانيوم المركز)
Shazly
Egypt
Local time: 07:29
Native speaker of: Native in ArabicArabic
PRO pts in category: 16
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