Antibody purity is > 80% based on SDS-PAGE.Antibody is supplied in 10 mM Sodium Phosphate, 0.15 M Sodium Chloride, pH 7.2. 0.05% (w/v) Sodium Azide is added as a preservative.Based on IEP, this antibody reacts with: • heavy (γ) chains on dog IgG • light chains on all dog immunoglobulins .Based on IEP, no reactivity is observed to: • non-immunoglobulin dog serum immunoglobulins .