645524
Silica gel Inorganic Sorbent
technical grade, 200-425 mesh
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About This Item
CAS Number:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
Product Name
Silica gel, technical grade, pore size 60 Å, 200-425 mesh particle size
grade
technical grade
Quality Level
description
Residual water (≤12%)
form
powder
manufacturer/tradename
Sigma-Aldrich
technique(s)
LPLC: suitable
surface area
500-600 m2/g , approx.
matrix
Silica
matrix active group
silica
particle size
200-425 mesh, 35-75 μm
pore size
0.75 cm3/g pore volume (approx.), 60 Å
pH
6.5-7.5
bp
2230 °C
mp
>1600 °C
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Application
Silica gel 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).
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Analyses of pesticides and their metabolites in foods and drinks.
Ahmed, et al.
TrAC, Trends in Analytical Chemistry, 20(11), 649-661 (2001)
Development of an accelerated solvent extraction and gel permeation chromatography analytical method for measuring persistent organohalogen compounds in adipose and organ tissue analysis.
Saito, et al.
Chemosphere, 57(5), 373-381 (2004)
Preparation and evaluation of a molecularly imprinted sol-gel material for on-line solid-phase extraction coupled with high performance liquid chromatography for the determination of trace pentachlorophenol in water samples.
Han, et al.
Journal of Chromatography A, 1100(2), 131-136 (2005)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 645524-25KG | 04061832912677 |
| 645524-500G | 04061832912684 |
| 645524-5KG | 04061832912691 |
| 645524-2.5KG | 04061832912660 |