Description General description Normal carrier sera, produced from pooled lots of sera from healthy, non-immunized guinea pig. Suitable for use in radioimmunoassay. Packaging 5 ml in Plastic ampoule Warning Toxicity: Standard Handling (A) Physical form Lyophilized from 0.25 M NaCl, 0.01 M Sodium Phosphate, pH 7.6. Reconstitution Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C. Reconstitute in 5 ml of H₂O.