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20199-U

Supelco

Celite® 545 AW Inorganic Adsorbent

reagent grade, 550 mesh, acid washed

Synonyma:

Diatomaceous earth, flux-calcined, Celite® Filter Aid

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About This Item

Číslo CAS:
68855-54-9
MDL number:
MFCD00132803
UNSPSC Code:
23201100
PubChem Substance ID:
329751988
NACRES:
SB.52

product name

Celite® 545 AW, reagent grade

grade

reagent grade

agency

suitable for EPA 1613

form

powder

packaging

pkg of 454 g

technique(s)

LPLC: suitable

surface area

2-3.5 m2/g

matrix

Silica

matrix active group

silica

particle size

26 μm

pore size

170000 Å mean pore size

separation technique

hydrophilic interaction (HILIC)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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General description

Diatomaceous earth [Celite 545 AW] is considered as skeletal remains of single-celled algae/diatoms formed due to sedimentary deposits. DE is a surface-active agent which causes abrasion and adsorption of the cuticular lipids. DE is an effective alternative to chemical pesticides. DE, amorphous silica which is crushed and calcined to form cristobalite.
Reagent-grade Celite® 545 AW. Acid-washed, high-purity fluxcalcined diatomaceous silica, especially prepared for chromatography and other laboratory applications.

Application

  • Celite® 545 AW was used as stationary phase in purification of fagopyritols using preparative chromatography.
  • Celite® 545 AW was used as packing material for fractionating procedure and the fractions were analysed using GC-ECD, GC/ECNI-MS and IC-MS/MS.

Legal Information

Celite is a registered trademark of Imerys Minerals California, Inc.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H372

Hazard Classifications

STOT RE 1 Inhalation

target_organs

Lungs

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Osvědčení o analýze (COA)

Lot/Batch Number
190362
186670
184033
179651
176945

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Sigma-Aldrich

85665

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Sigma-Aldrich

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R L Obendorf et al.
Carbohydrate research, 328(4), 623-627 (2000-11-28)
The molecular structure of fagopyritol A1, a novel galactopyranosyl cyclitol from buckwheat seeds, was determined to be O-alpha-D-galactopyranosyl-(1 --> 3)-D-chiro-inositol by 1H and 13C NMR. Fagopyritol A1 is a positional isomer of fagopyritol B1 (O-alpha-D-galactopyranosyl-(1 --> 2)-D-chiro-inositol), representing a different
Urs Berger et al.
Journal of chromatography. A, 973(1-2), 123-133 (2002-11-20)
The separation properties of different chromatographic methods regarding the enantioselective separation of axially chiral (atropisomeric) polybrominated biphenyls (PBB) were studied. For this purpose, the technical hexabromobiphenyl product Firemaster BP-6 was characterised by gas-chromatography coupled to electron capture detection (GC/ECD) and
Alexander J Krynitsky et al.
Analytica chimica acta, 567(1), 94-99 (2007-08-29)
A rapid, sensitive, and specific method was developed for the determination of perchlorate anion in foods. The foods included high moisture fruits and vegetables, low moisture foods (e.g. wheat flour and corn meal), and infant foods. Improvements to existing procedures
Waseem Akbar et al.
Journal of economic entomology, 97(2), 273-280 (2004-05-25)
This research tested the suppressive ability of Beauveria bassiana (Balsamo) Vuillemin alone and in combination with diatomaceous earth against the red flour beetle, Tribolium castaneum (Herbst). Adults did not show a dose response to B. bassiana, and the addition of
H Checkoway et al.
American journal of epidemiology, 145(8), 680-688 (1997-04-15)
The potential carcinogenicity of crystalline silica to humans remains a controversial issue. The authors conducted an historical cohort mortality study of 2,342 male workers exposed to crystalline silica, predominantly cristobalite, in a diatomaceous earth mining and processing facility in California.
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