Alum Hematoxylins:
Hematoxylin | Oxidizer | Mordant |
Gill's | Sodium iodate | Aluminum sulfate |
Delafield's | Naturally | Ammonium alum |
Mayer's | Sodium iodate | Potassium or ammonium alum |
Harris's | Sodium or potassium iodate (mercuric chloride no longer used due to its' toxicity) | Potassium alum |
Ehrlich's | Naturally | Potassium alum |
Iron Hematoxylins:
Iron salts are used as both the oxidizing agent and the mordant in the following examples:
Hematoxylin | Oxidizer | Mordant |
Heidenhain's | Ferric ammonium sulfate | Ferric ammonium sulfate |
Weigert's | Ferric chloride | Ferric chloride |