Physical State: Sterile-filtered liquid
Storage: Store at 2-8°C under sterile conditions. Prepare working dilution on day of use.
Expiration date: one year from date of receipt. The expiration date may be extended if test results are acceptable for the intended use.
Purity: Based on immunoelectrophoresis at an antigen concentration of 20 mg/ml, the pattern of precipitation against goat anti-human whole serum is the same as that against goat anti-human IgG, Fc fragment specific. No precipitin line was detected against goat anti-human IgG, F(ab')2 fragment specific; rabbit anti-human IgG, F(ab')2 fragment specific; goat anti-human IgM, Fc5m fragment specific; or goat anti-human IgA, a chain specific.
Preservative: None