高效薄层层析硅胶H板(不含荧光)，200*100 mm, 涂层厚度: 0.2-0.25 mm, 硅胶粒径: 5-20μm, 40片/盒

HPTLC silica gel plate (fluorescent indicator: no), type H, 200*100 mm, layer thickness: 0.2-0.25 mm, particle size: 5-20μm