yellow cake

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07:55 May 10, 2009
English to Czech 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.
  • 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.
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Summary of translations provided
5 +1žlutý koláč
Ivan Šimerka

Discussion entries: 1


Translations offered

10 days   confidence: Answerer confidence 5/5 peer agreement (net): +1
žlutý koláč

Definition from own experience or research:
Meziprodukt výroby uranového paliva z rudy - diuranát amonný
Interim product of the uranium fuel production from the ore - ammonium diuranite

Example sentence(s):
  • V druhé polovině osmdesátých let minulého století došlo ve světě vlivem nadprodukce k propadu cen a nahromadění zásob přírodního uranu o který už nebyl zájem. Následovalo zhroucení trhu s finálním produktem, tzv. „žlutým koláčem“ (yelow cake = diuranát amonný), útlum těžby a hledání sanačních a náhradních výrobních programů ve většině světových nalezišť. - View of the area of the former ore proce  
Ivan Šimerka
Czech Republic
Local time: 02:30
Native speaker of: Native in CzechCzech
PRO pts in category: 4

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Pavel Prudký
4 days
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