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Fontos dokumentumok
60737
Silica gel Inorganic Sorbent
high-purity grade, 230-400 mesh
Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(1)
About This Item
CAS-szám:
EC-szám:
MDL-szám:
UNSPSC kód:
12352309
PubChem Substance ID:
NACRES:
SB.52
Javasolt termékek
Terméknév
Silica gel, high-purity grade, pore size 60 Å, 230-400 mesh particle size, 40-63 μm particle size, for flash chromatography
grade
high-purity grade
Minőségi szint
Forma
powder
gyártó/kereskedő neve
Sigma-Aldrich
technika/technikák
LPLC: suitable
külső felület
530 m2/g
szennyeződések
3-7% water
Mátrix
Silica
mátrix aktív csoport
silica
részecskeméret
230-400 mesh
40-63 μm
pórusméret
0.8 cm3/g pore volume
60 Å
bp
2230 °C
mp
>1600 °C
elválasztástechnika
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
Nemzetközi kémiai azonosító kulcs
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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Általános leírás
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
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
Alkalmazás
- Modulating the properties and structure of lignins produced by alkaline delignification of sugarcane bagasse pretreated with two different mineral acids at pilot-scale: Demonstrates the use of high-purity sulfuric acid in the pretreatment of sugarcane bagasse, crucial for enhancing the quality of lignin extracted for further biochemical applications, pivotal for research in material science and environmental sustainability (Nunes da Silva et al., 2024).
Tárolási osztály kódja
11 - Combustible Solids
WGK
nwg
Lobbanási pont (F)
Not applicable
Lobbanási pont (C)
Not applicable
Egyéni védőeszköz
Eyeshields, Gloves, type N95 (US)
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