暗区 opaque area，area opaca

介孔二氧化硅比表面积、总孔容及孔径标准物质，7631-86-9，Specific Surface Area:511m2/g,Total Pore Volume:0.806cm3/g,Pore Diameter:6.31nm，阿拉丁

￥2375.90

【植物抗体】Anti-O2/ Opaque-2 protein

￥1000

疏水气相纳米二氧化硅Hydrophobic-260型，112945-52-5，≥99.8% metals basis, specific surface area(BET):260m2/g,particle size:7-40nm,Hydrophobic，阿拉丁

￥226.90

石墨烯管，≥98%, Specific surface area:1300-1500 m2/g，阿拉丁

￥1853.90

介孔二氧化硅比表面积、总孔容及孔径标准物质，7631-86-9，Specific surface area: 492m2/g, total pore volume: 0.793cm3/g, average pore diameter: 6.47nm，阿拉丁

￥2471.90