Ammonium sulfate (Analytical Reagent Grade)

High-purity AR-grade ammonium sulfate ((NH₄)₂SO₄, CAS 7783-20-2) for laboratory & analytical applications. Purity ≥99.0% with ultra-low impurities (≤0.002% insoluble matter, ≤0.0005% chlorides). White crystalline powder, freely soluble in water, pH 5.0–6.0 (5% solution). Ideal for protein precipitation, buffer preparation, titration, and general lab synthesis; meets ACS/ISO reagent standards with consistent batch performance.
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