381276

Silica Inorganic Sorbent

120-140 mesh, 99.8%

• 동의어(들): Silica, fumed, Silica, Silicic anhydride, Silicon dioxide, Silicon dioxide amorphous
• Linear Formula: SiO₂
• CAS Number: 112945-52-5
• Molecular Weight: 60.08
• MDL number: MFCD00011232
• UNSPSC 코드: 23201100
• PubChem Substance ID: 24863799
• NACRES: SB.52

속성

• 제품명: Silica, 99.8%
• Grade: standard
• Quality Level: 100
• 분석: 99.8%
• 양식: powder
• 기술: LPLC: suitable
• 표면적: 175-225 m²/g
• Matrix: Silica
• 기질 활성군: silica
• 입자 크기: 0.011 μm
• 공극 크기: 60 Å mean pore size
• 분리 기술: hydrophilic interaction (HILIC)
• SMILES string: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChI key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

설명

일반 설명

Silica is a naturally occurring material in minerals, flint and in some plants in crystalline phase. Silica commonly used in industries is in synthetic form. Surface area, pore volume, pore size and particle size are independently controllable to some extent. The crystalline silica may be classified based on atmospheric pressure as:
a. Quartz: = 1143K
b. Tridymite: 1143 - 1743K
c. Cristobalite: = 1743, over 1973K it forms amorphous vitreous silica glass.

애플리케이션

Silica was used in synthesis of silicalite. Silica was used to assist the catalytic growth of oxide and nitride nanowires.

특징 및 장점

Has interesting thickening and thixotropic properties, and an enormous external surface area.

기타 정보

Particle sizes are for primary particles, which form branched, chain-like aggregates a few tenths of a micron long.

May contain adsorbed H₂O and CO₂ which is removable by calcining at >900°C

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: Eyeshields, Gloves, type N95 (US)