物料
silica gel (irregularly-shaped)
质量水平
产品线
LiChroPrep®
效能
>5000 mg/kg LD50, skin (Rabbit)
基质活性基团
Irregular-Shaped Silica Gel
粒径
15-40 μm
孔径
6 nm mean pore size
pH值（酸碱度）
7 (20 °C, 100 g/L in H2O, slurry)
bp
2230 °C (lit.)
mp
>1600 °C (lit.)
堆积密度
200‑800 kg/m3
应用
plasma purification
分离技术
reversed phase
储存温度
no temp limit
SMILES字符串
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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一般描述
Irregular-shaped Silica gel with narrow, well defined particle size distribution delivering high separating performance, permeability and good reproducibility
应用
LiChroprep Si 60 (15-25 µm) for liquid chromatography. CAS 7631-86-9, EC Number 231-545-4, chemical formula SiO₂.
特点和优势
LiChroprep® Si 60 (15-25 µm) provides users with:
- Reproducible, homogeneous, irregularly shaped silica gel matrix
- Narrow, well defined particle size distribution for high performance and high permeability
- Large batch sizes up to 200 kg in the modification
包装
Plastic bottle
分析说明
pH-value (10 % suspension): 6.5 - 7.5
Loss on drying (150 °C): 5.5 - 6.5 %
Specific surface area (according to BET): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
particle size (Malvern) (d10): 11.0 - 16.0 µm
particle size (Malvern) (d50): 18.0 - 24.0 µm
particle size (Malvern) (d90): 27.0 - 37.0 µm
Application test (2-Nitrotoluene): conforms
Pressure: ≤ 15.0 bar
Separation efficiency (2-Nitrotoluene): ≥ 8000
Leading: ≤ 7 %
Tailing: ≤ 11 %
Symmetry: 0.8 - 1.5
Capacity factor: ≥ 0.3
The specific surface is related to silica gel raw material.
Loss on drying (150 °C): 5.5 - 6.5 %
Specific surface area (according to BET): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
particle size (Malvern) (d10): 11.0 - 16.0 µm
particle size (Malvern) (d50): 18.0 - 24.0 µm
particle size (Malvern) (d90): 27.0 - 37.0 µm
Application test (2-Nitrotoluene): conforms
Pressure: ≤ 15.0 bar
Separation efficiency (2-Nitrotoluene): ≥ 8000
Leading: ≤ 7 %
Tailing: ≤ 11 %
Symmetry: 0.8 - 1.5
Capacity factor: ≥ 0.3
The specific surface is related to silica gel raw material.
法律信息
LICHROPREP is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
13 - Non Combustible Solids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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