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Click the icon to view the hierarchy. |
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thiourea (compounds (materials), <materials by chemical form>, ... Materials (hierarchy name)) |
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Note: Shiny white crystalline compound used in photography as a toner and to remove stains from negatives. Capable of dissolving silver salts, thiourea is often an active ingredient in silver-dip tarnish removal solutions. It is also used to accelerate the vulcanization of rubber. Its composition is the same as that of urea but with a sulfur atom in place of the oxygen atom. |
Terms: |
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thiourea (preferred,C,U,English-P,D,U,N)
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thiocarbamide (C,U,English,UF,U,U)
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sulfourea (C,U,English,UF,U,U)
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sulfocarbamide (C,U,English,UF,U,U)
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thiurea (C,U,English,UF,U,U)
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thio-ureum (C,U,Dutch-P,D,U,U)
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Facet/Hierarchy Code: M.MT |
Hierarchical Position:
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![Hierarchy of Materials Facet](/global/images/global_hierarchy.gif)
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Materials Facet |
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![Hierarchy of Materials (hierarchy name)](/global/images/global_hierarchy.gif)
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.... Materials (hierarchy name) (G) |
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![Hierarchy of materials (substances)](/global/images/global_hierarchy.gif)
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........ materials (substances) (G) |
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![Hierarchy of <materials by form>](/global/images/global_hierarchy.gif)
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............ <materials by form> (G) |
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![Hierarchy of <materials by chemical form>](/global/images/global_hierarchy.gif)
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................ <materials by chemical form> (G) |
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![Hierarchy of compounds (materials)](/global/images/global_hierarchy.gif)
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.................... compounds (materials) (G) |
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![Hierarchy of thiourea](/global/images/global_hierarchy.gif)
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........................ thiourea (G) |
Additional Notes: |
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Dutch ..... Een glimmend witte, kristallijne verbinding die in de fotografie wordt gebruikt als toner en om vlekken op negatieven te verwijderen. Thio-ureum is in staat om zilverzouten te ontbinden en wordt dus ook vaak gebruikt als werkzame stof in schoonmaakmiddelen voor zilver. Ten slotte wordt het gebruikt om de vulkanisatie van rubber te versnellen. De samenstelling van thio-ureum is gelijk aan die van ureum, maar dan met een zwavelatoom op de plaats van het zuurstofatoom. |
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