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Gilson’s Fluid

Gilson’s Fluid

Formula

MaterialAmount
Nitric acid17mL
Acetic acid, glacial4mL
Mercuric chloride20g
Ethanol, 95%70mL
Distilled water900mL

Dissolve the mercuric chloride in the water, then add the other ingredients.

Description

This is a general purpose anatomical fixative popular with zoologists. As with all mercuric chloride containing mixtures, tissues will contain mercury pigment which must be removed. Davenport notes that the amount of ethanol is so little that it probably has no effect and could be omitted.

Time

Fixation of average sized pieces of tissue should be complete after overnight treatment.

Aftertreatment

No particular treatment.

Safety Note

Prior to handling any chemical, consult the Safety Data Sheet (SDS) for proper handling and safety precautions.

References

  1. Davenport, H.A., (1960),
    Histological and histochemical techniques,
    W. B. Saunders Co., London, UK., Oxford, UK.