薄层层析氧化铝板(含荧光)，碱性氧化铝F254, 200*200 mm, 涂层厚度：0.4-0.5 mm, 氧化铝粉粒径：≥400目, 20片/盒

Preparative TLC aluminum oxide plates (fluorescent indicator), Basic, F254, 200*200 mm, layer thickness: 0.4-0.5 mm, particle size: ≥400 mesh