»Antivenin (Micrurus Fulvius)conforms to the regulations of the FDAconcerning biologics (see
Biologics á1041ñ).It is the sterile,non-pyrogenic preparation derived by drying a frozen solution of specific venom-neutralizing globulins obtained from the serum of healthy horses immunized against venom of the Eastern Coral snake (
Micrurus fulvius).It is standardized by biological assay on mice,in terms of one dose of antivenin neutralizing the venom of
Micrurus fulviusin not less than 250mouse LD
50.It may contain a suitable preservative.When constituted as specified in the labeling,it is opalescent and contains not more than 20.0percent of solids,determined by drying 1mLat 105

to constant weight (±1mg).