20281
Florisil®
100-200 mesh, fine powder
Synonym(s):
Activated magnesium silicate, Magnesium silicate
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About This Item
Empirical Formula (Hill Notation):
MgO3Si
CAS Number:
Molecular Weight:
100.39
EC Number:
MDL number:
UNSPSC Code:
23201100
PubChem Substance ID:
grade
standard
Quality Level
form
fine powder
packaging
jar of 454 g
technique(s)
LPLC: suitable
surface area
289 m2/g
matrix
Magnesium silicate hydrate
matrix active group
magnesium silicate hydrate
particle size
100-200 mesh
74-149 μm
pore size
60 Å mean pore size
separation technique
hydrophilic interaction (HILIC)
SMILES string
[Mg++].[O-][Si]([O-])=O
InChI
1S/Mg.O3Si/c;1-4(2)3/q+2;-2
InChI key
FKHIFSZMMVMEQY-UHFFFAOYSA-N
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General description
Florisil, adsorbent for the separation of lipids is a commercially-prepared magnesia silica gel. It has a coarse mesh size which helps in rapid flow rate. Florisil is effective in promoting [1,3]-sigmatropic shift of myceophenolic acid related allyl phenyl ethers. Florisil cartridges are used in atmospheric sampling to assess possible interference from air contaminants.
Application
Florisil was used:
- as column packing material in column chromatography
- as an adsorbent in gas chromatography with electron capture detector (GC/ECD), capillary column chromatography, adsorption column chromatography
- in clean-up procedures in gas chromatography-tandem mass spectrometry and GC-FID
Legal Information
Florisil is a registered trademark of U.S. Silica Company
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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An improved gas chromatographic method for the determination of perfluorocarbon tracers in the atmosphere
Lagomarsino, Raymond J.
Journal of Chromatographic Science, 34, 405-412 (1996)
Andrew C Singer et al.
Environmental toxicology and chemistry, 22(9), 1998-2004 (2003-09-10)
This study investigated the interactive effects of bioaugmentation, biostimulation, and the rhizosphere during remediation of Aroclor 1242-contaminated soil. Treatments were repeatedly augmented with polychlorinated bipheny (PCB)-degrading bacteria, inducers (carvone and salicylic acid), surfactant (sorbitan trioleate), minimal salts medium in a
R C Prados-Rosales et al.
Journal of chromatography. A, 993(1-2), 121-129 (2003-05-09)
A rapid analytical method for determination of organochlorine pesticide residues in sunflower seeds based on focused microwave-assisted Soxhlet extraction has been developed. The main factors affecting the extraction efficiency--namely microwave power, irradiation time, volume of extractant and number of cycles--were
Determination of atmospheric perfluorocarbon background concentrations of fL/L range at the western coastal area of Korea
Kim, HyeKyeong, et al.
Atmospheric Environment, 1, 4-4 (2002)
P A de Paula Pereira et al.
Talanta, 49(2), 245-252 (2008-10-31)
A new sampling protocol was developed to determine methanol and ethanol in the gas phase, at low concentration levels, in urban atmospheres. The procedure involves collection of air samples (20.0-30.0 l) with three florisil cartridges connected in series, at a
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