Definition of chrome alum in English:

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chrome alum

noun

A reddish-purple crystalline compound used in solution in photographic processing and as a mordant in dyeing.
  • Chemical formula: K2SO4Cr2(SO4)3.24H2O
Example sentences
  • Feel free to increase the concentration of chrome alum, but be aware that the solution becomes deeply colored.
  • What if you use the slides for immunostaining and you have a nice underlayer of chrome alum below the section?
  • Mixing gelatin, chrome alum and water makes the gelatin subbing solution.
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