1.09390

LiChroprep^® Si 60 (25-40 µm)

for liquid chromatography

• 동의어(들): Silica, Silicon dioxide
• Linear Formula: SiO₂
• CAS Number: 7631-86-9
• Molecular Weight: 60.08
• MDL number: MFCD00011232
• UNSPSC 코드: 41115711
• EC 인덱스 번호: 231-545-4

속성

• material: silica gel (irregularly-shaped)
• Quality Level: 100
• 효능: >5000 mg/kg LD₅₀, skin (Rabbit)
• 기질 활성군: Irregular-Shaped Silica Gel
• 입자 크기: 20-40 μm
• 공극 크기: 6 nm mean pore size
• pH: 7 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2230 °C (lit.)
• mp: >1600 °C (lit.)
• 벌크 밀도: 200‑800 kg/m³
• 응용 분야: plasma purification
• 분리 기술: reversed phase
• 저장 온도: no temp limit
• SMILES string: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

설명

일반 설명

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

애플리케이션

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

특징 및 장점

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

포장

Plastic bottle

분석 메모

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.

법적 정보

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

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable