1.09390

シリカ

for liquid chromatography

• 別名: 二酸化ケイ素
• 化学式: SiO₂
• CAS番号: 7631-86-9
• 分子量: 60.08
• MDL番号: MFCD00011232
• UNSPSCコード: 41115711
• EC Index Number: 231-545-4

特性

• 物質: silica gel (irregularly-shaped)
• 品質水準: 100
• 有効性: >5000 mg/kg LD₅₀, skin (Rabbit)
• マトリックス活性基: Irregular-Shaped Silica Gel
• 粒径: 20-40 μm
• ポアサイズ: 6 nm mean pore size
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• かさ密度: 200‑800 kg/m³
• アプリケーション: plasma purification
• 分離法: reversed phase
• 保管温度: no temp limit
• SMILES記法: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

詳細

詳細

irregularly shaped silica gel matrix ideal for simple adsorption processes and normal-phase chromatography

アプリケーション

LiChroprep Si 60 (25-40 µm) for liquid chromatography. CAS 7631-86-9, EC Number 231-545-4, chemical formula SiO₂.

特徴および利点

LiChroprep^® Si 60 (25-40 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

アナリシスノート

pH-value (10 % suspension): 6.5 - 7.5
Specific surface area (according to BET): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
Particle Size (d10): 14 - 17 µm
Particle Size (d50): 22 - 28 µm
Particle Size (d90): 33 - 43 µm
Pressure: ≤ 5.0 bar
Application test (2-Nitrotoluene): conforms
Separation efficiency (2-Nitrotoluene): ≥ 5000
Leading: ≤ 5.0 %
Tailing: ≤ 10 %
Symmetry: 0.8 - 1.6
Capacity factor: ≥ 0.3
The specific surface is related to silica gel raw material.

法的情報

LICHROPREP is a registered trademark of Merck KGaA, Darmstadt, Germany

安全性情報

• 保管分類コード: 13 - Non Combustible Solids
• WGK: nwg
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable