Contractions. - Merc-acet. Mr-a.

Present name. - Mercurous Acetate. HgC2H3O2.

Subacetate of Mercury.

This may be obtained from the operative chemists in crystalline silvery scales. The preparation is unstable, being blackened by exposure to light, and possesses no advantage over Merc. vivus.

Preparation. - Trituration.

Reference to Horn. Proving. - R. A. M. L., i.

Proper forms for dispensing. - lx to 3, Trituration only. 4, dilute Tincture only. 5 and upwards, Tincture, Pilules, or Globules.