The discovery of haemin.


Haemin is a porphyrin chelate of iron, derived from red blood cells; the chloride of haem[1].


The Polish anatomist Ludwik Karol Teichmann-Stawiarski discovered haemin crystals in blood in 1853. The method[2] is as follows:

• Acetic acid was added to dried blood.
• The solution was dried at a temperature of 25-62.5 degrees Celsius.
• Upon observation through a microscope, rhombic crystals of haemin
were seen.

Below is a photomicrograph[3] of haemin crystals:

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Below is a portrait[4] of Ludwik Karol Teichmann-Stawiarski:

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  2., pages 395-397.

6 thoughts on “The discovery of haemin.”

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