Biotechnology Grade Specific Rotation: 52.5 to 53.0° Moisture (105°C): Chloride: Sulfate and Sulfite: Arsenic: vHeavy metals (as Pb): Iron: RNAse/Protease Activity: None detected

Biotechnology Grade Purity (anhydrous): >99.5 Specific rotation: +53.6 to +53.2° Insolubles: Residue after Ignition: Chloride: Sulfate and Sulfite: Heavy Metals (as Pb): Iron: Moisture (105°C): 8-9% RNase and DNase, Protease activity: None detected