Description 描述：Molecular Biology Grade. Chromatographically purified to remove RNase and protease. Supplied as a solution at approximately 2 Kunitz units per microliter (approximately 1 mg/ml) containing 50% glycerol and 1 mM calcium chloride.Activity/Specification：≥2,000 Kunitz units per ml网站链接：http://www.worthington-biochem.com/DNASE/cat.html