半岛bd体育手机客户端 说明
应用
Silica gel 60 (0.040-0.063 mm) for column chromatography (230-400 mesh ASTM). CAS No. 7631-86-9, EC Number 231-545-4.
分析说明
pH-value (10?% suspension): 6.5 - 7.5
Fe (Iron): ≤ 0.02 %
Specific surface area (according to BET; 5-Pt. measurement): 480 - 540 m?/g
Pore volume (N?-isotherm): 0.74 - 0.84 ml/g
Loss on drying (150?°C): ≤ 9.0 %
Particle Size (d10): 30 - 40 ?m
Particle Size (d50): 55 - 65 ?m
Particle Size (d90): 95 - 110 ?m
The specific surface area and the pore volume are related to the raw material
基本信息
| MDL编号 | MFCD00011232 |
| EC索引号 | 231-545-4 |
半岛bd体育手机客户端 性质
| 质量水平 | 100 |
| 物料 | silica gel (irregularly-shaped) |
| 效能 | >5000 mg/kg LD50, skin (Rabbit) |
| 粒径 | 40-63 μm |
| 孔径 | 6 nm mean pore size |
| pH值(酸碱度) | 7 (20 ℃, 100 g/L in H2O, slurry) |
| bp | 2230 ℃ |
| mp | >1600 ℃ |
| 堆积密度 | 200?800 kg/m3 |
| application(s) | plasma purification |
| 分离技术 | reversed phase |
| 储存温度 | no temp limit |
| SMILES string | O=[Si]=O |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
安全信息
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | nwg |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
Sigma-Aldrich
m.cnreagent.com
