Goat anti-human IgA + IgG + IgM, Rhodamine (TRITC-tetramethylrhodamine-5-isothiocyanate) conjugated is a F (ab) '2 fragment of a secondary antibody which binds to human IgA and IgG and IgM in immunological assays. TRITC has Amax = 550 nm, Emax = 570 nm. Antibody solution may contain small amounts of intact IgG. F(ab)'2 fragment