核酸提取用硅羟基磁珠，30 mg/ml, 粒径: 1μm, 磁含量: 35 - 45%, 表面电位: -35 mV

Silicon hydroxyl magnetic beads for nucleic acid extraction, 30mg/ml, particle size: 1μm, magnet contents: 35%-45%, surface potential: -35mV