特異性：Assay by immunoelectrophoresis resulted in a single precipitin arc against anti phycoerythrin, anti donkey serum, human IgM, Human IgM Fc5u and human serum. No reaction against anti pepsin, anti donkey IgG F(c), bovine or horse serum proteins, or other human heavy or light chain proteins.
純度：Affinity Purified Purified by immunoaf nity chromatography.
形状：Supplied as a liquid in PBS, pH 7.6, BSA (IgG and protease free), 0.05% sodium azide, 0.01% thimerosal, 40% glycerol.
