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Chromium(III) potassium sulfate dodecahydrate, Chrome alum, reagent, 98.5%, 100g, US $330 – Picture 0
Chromium(III) potassium sulfate dodecahydrate, Chrome alum, reagent, 98.5%, 100g, US $330 – Picture 0

Chromium(iii) Potassium Sulfate Dodecahydrate, Chrome Alum, Reagent, 98.5%, 100g

US $330

  • Tallinn, Estonia
  • May 25th
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Chromium(III) potassium sulfate dodecahydrate, reagent, 98.5%, 100g CAS Number: 7788-99-0 Linear Formula: CrK(SO4)2•12H2O Molecular Weight: 499.40 Chromium(III) potassium sulfate or Chrome alum is the potassium double sulfate of chromium. Its chemical formula is CrK(SO4)2 and it is commonly found in its dodecahydrate form as CrK(SO4)2·12H2O. Chromium alum is used in the tanning of leather as chromium(III) stabilizes the leather by cross linking the collagen fibers within the leather. However, this application is obsolete because the simpler chromium(III) sulfate is preferred.It was also used in gelatine emulsions in photographic film.

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