추천 제품
material
plastic support
silica gel 60 matrix
Quality Level
Grade
high-purity grade
형태
powder
특징
binder Organic Polymer
fluorescent indicator: no
포장
pkg of 250 g
제조업체/상표
Sigma-Aldrich
기술
thin layer chromatography (TLC): suitable
표면적
~500 m2/g
불순물
≤0.001% Fe3+
입자 크기
5-25 μm
공극 크기
0.75 cm3/g pore volume
60 Å medium pore diameter
60 Å pore size
pH
~6.8 (10% in aq. suspension)
bp
2230 °C
mp
>1600 °C
음이온 미량물
chloride (Cl-): ≤0.003%
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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일반 설명
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. It allows a controlled fragmentation resulting in the formation of 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
애플리케이션
Silica gel was used on glass plates to perform preparative thin layer chromatography.
Storage Class Code
11 - Combustible Solids
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
이미 열람한 고객
Plant physiology, 113(3), 719-727 (1997-03-01)
Phenolic compounds extracted from cucumber (Cucumis sativus L.) leaves were separated and analyzed for their differential presence and fungitoxicity in relation to a prophylactic treatment with Milsana (Compo, Munster, Germany) against powdery mildew (Sphaerotheca fuliginea). Based on our extraction and
A simple method for production of pure silica from rice hull ash
Bioresource Technology, 73, 257-262 (2000)
Silica gel supported zirconocene dichloride/methylalumoxane catalysts for ethylene polymerization: Effects of heterogenation on activity, polymer microstructure and product morphology.
Angew. Makromol. Chem., 215, 47-57 (1994)
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