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1.0 M acetic acid 

>=95% by SDS-PAGE. Immunoreactivity by IEP against to whole human serum and to IgM, mu chain

No reaction by IEP to antisera to kappa or lambda

MW 75,000

Human Plasma 

Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests

> 1 year

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