60736

Silica gel Inorganic Sorbent

high-purity grade, 35-70 mesh

• Numéro CAS: 112926-00-8
• Numéro CE : 231-545-4
• Numéro MDL: MFCD00011232
• Code UNSPSC : 23201100
• ID de substance PubChem : 329759180
• Nomenclature NACRES : SB.52

Propriétés

• product name: Gel de silice, high-purity grade, 40, 35-70 mesh, for column chromatography
• Qualité: for column chromatography; high-purity grade
• Niveau de qualité: 100
• Forme: powder or crystals
• Technique(s): LPLC: suitable
• Superficie: 350 m²/g
• Matrice: Silica
• Groupe de la matrice active: silica
• Taille des particules: 0.2-0.5 mm (35-70 mesh ASTM); 35-70 mesh
• Dimension de pores: 90 Å mean pore size
• Point d'ébullition: 2230 °C
• Pf: >1600 °C
• Technique de séparation: hydrophilic interaction (HILIC)
• Chaîne SMILES: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Description

Description générale

Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium (III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation leading to form uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction

Application

It has been used for the solid phase extraction (SPE) fractionation of organohalogen compounds in biological organ tissues. Silica gel column may be employed for the clean-up procedures in multiresidue methods of pesticide analyses and as a support for the fabrication of pentachlorophenol (PCP)-imprinted functionalized sorbents for the analysis of trace pentachlorophenol in water samples by SPE combined with high performance liquid chromatography (HPLC).

Silica gel may be used in separation of single-walled carbon nanotube (SWNT) by simple filtration.

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): nwg
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)