Zenker's Fixative

Caution: Mercuric chloride is a skin and eye irritant. Potassium dichromate is toxic by inhalation of dust and ingestion. Glacial acetic acid is caustic. Use protective equipement and prepare under hood in a well ventilated area. Reference proper procedures and disposal.

Recipe

Stock Solution

1.50g Mercuric chloride

2.25g Potassium dichromate

3.10g Sodium sulfate

4.1L Distilled water

Working Solution

1.95ml Zenker’s stock

2.5ml Glacial acetic acid