1.09390

LiChroprep^® Si 60 (25-40 µm)

for liquid chromatography

• 同義詞: 二氧化硅
• 線性公式: SiO₂
• CAS號碼: 7631-86-9
• 分子量：: 60.08
• MDL號碼: MFCD00011232
• 分類程式碼代碼: 41115711
• 酶委員會索引編號: 231-545-4

屬性

• 材料: silica gel (irregularly-shaped)
• 品質等級: 100
• 效力: >5000 mg/kg LD₅₀, skin (Rabbit)
• 基質活性組: Irregular-Shaped Silica Gel
• 粒徑: 20-40 μm
• 孔徑: 6 nm mean pore size
• pH值: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• 體積密度: 200‑800 kg/m³
• 應用: plasma purification
• 分離技術: reversed phase
• 儲存溫度: no temp limit
• SMILES 字串: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI 密鑰: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

描述

一般說明

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

應用

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

特點和優勢

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

包裝

Plastic bottle

分析報告

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.

法律資訊

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

安全資訊

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: nwg
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable