Restoring Natural Colour

One of the advantages of simple formalin mixtures is that they permit the natural colour to be restored to specimens. This is very useful in medical museum technology, the procedure being fixation in Kiaserling I fluid for some time, followed by the treatment detailed below and final sealing of the specimen in a container of Kaiserling II fluid.

It must be emphasised that this can be done only once, and placing the tissue back into fixative makes it impossible to restore the colour a second time. For that reason, tissues to be mounted as museum specimens should not be treated with this technique unless they are ready to be sealed in a container of the final preservative.


No specific reference. Recommendations from experience.




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