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150 mM NaCl, pH 7.4, and 0.01% EDTA

>=95% by electrophoresis 

MW 5-10,000,000 

1.006-1.019 g/ml

83% lipid, 17% Protein

Modified Lowry Based on Sigma Procedure No. P 5656

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

> 6 months from production date

2-6o C, away from light, Do Not Freeze

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