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22151

Celite® 503

filter aid, treated with sodium carbonate, calcined

Synonym(s):

Diatomaceous earth, flux-calcined

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About This Item

CAS Number:
68855-54-9
MDL number:
MFCD00132803
UNSPSC Code:
11101527
PubChem Substance ID:
329752274
NACRES:
SB.54

Key Documents

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form

powder

quality

calcined
treated with sodium carbonate

composition

Al2O3, 4.0%
CaO, 0.5%
Fe2O3, 1.3%
Na2O + K2O, 3.3%
SiO2, 89.6%

loss

~0.2% loss on ignition, 900 °C

particle size

≤85.1 μm (80% (acc. to Cilas))

pH

>8.5 (25 °C, 10% in aq. suspension)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Show Differences

1 of 4

This Item
221401.0269222138
Celite® 503 filter aid, treated with sodium carbonate, calcined

Sigma-Aldrich

22151

Celite® 503

Celite® 545 filter aid, treated with sodium carbonate, flux calcined

Sigma-Aldrich

22140

Celite® 545

Celite® 503 Celite® 503. CAS 68855-54-9, pH 10 (100 g/l, H2O, 20 °C).

Supelco

1.02692

Celite® 503

Celite® 535 filter aid, flux calcined

Sigma-Aldrich

22138

Celite® 535

form

powder

form

powder

form

-

form

powder or granules

particle size

≤85.1 μm (80% (acc. to Cilas))

particle size

-

particle size

-

particle size

≤94.3 μm (81% (acc. to Cilas))

pH

>8.5 (25 °C, 10% in aq. suspension)

pH

>8.5 (25 °C, 10% in aq. suspension)

pH

10 (20 °C, 100 g/L in H2O)

pH

>8.5 (25 °C, 10% in aq. suspension)

composition

Al2O3, 4.0% , Fe2O3, 1.3% , SiO2, 89.6% , CaO, 0.5% , Na2O + K2O, 3.3%

composition

Al2O3, 1.0% , CaO, 6.73% , Fe2O3, 0.46% , Na2O + K2O, 1.88% , SiO2, 89.0%

composition

-

composition

Al2O3, 4.0% , CaO, 0.5% , Fe2O3, 1.3% , Na2O + K2O, 3.3% , SiO2, 89.6%

loss

~0.2% loss on ignition, 900 °C

loss

-

loss

-

loss

≤0.2% loss on ignition, 900 °C

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

Application

Celite® 503 may be used as filter aid for the purification and isolation of crystalline desoxyribonuclease.[1]

Legal Information

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

Disclaimer

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H372

Precautionary Statements

P260 - P264 - P270 - P314 - P501

Hazard Classifications

STOT RE 1 Inhalation

Target Organs

Lungs

Storage Class Code

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

WGK

WGK 1

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM7140
BCCL8518
BCCG6060

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M KUNITZ
The Journal of general physiology, 33(4), 349-362 (1950-03-01)
A crystalline enzyme capable of digesting thymus nucleic acid (desoxyribonucleic acid) has been isolated from fresh beef pancreas. The enzyme called "desoxyribonuclease" is a protein of the albumin type. Its molecular weight is about 60,000 and its isoelectric point is
Gang Pan et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 13(8), 2205-2212 (2012-01-25)
The formation mechanism of a nanoscale gas state is studied on inorganic clay surfaces modified with hexamethyldisilazane, which show different contact angles in ethanol-water solutions. As the dissolved oxygen becomes oversaturated due to the decrease in ethanol-water ratio, oxygen nanoscale
Necla Caliskan et al.
Journal of hazardous materials, 193, 27-36 (2011-07-19)
The removal of Zn(II) ions from aqueous solution was studied using natural and MnO(2) modified diatomite samples at different temperatures. The linear Langmuir, Freundlich and Dubinin-Radushkevich (D-R) adsorption equations were applied to describe the equilibrium isotherms. From the D-R model
Maria Aivalioti et al.
Journal of hazardous materials, 207-208, 117-127 (2011-04-16)
The removal of BTEX (benzene, toluene, ethyl-benzene and m-,p-,o-xylenes), MTBE (methyl tertiary butyl ether) and TAME (tertiary amyl methyl ether) from aqueous solutions by raw, thermally, chemically and both chemically and thermally treated diatomite was studied, through batch adsorption experiments.
Guodong Sheng et al.
Journal of environmental radioactivity, 113, 108-115 (2012-06-09)
Clay minerals have been extensively studied because of their strong sorption and complexation ability. In this work, diatomite was characterized by using acid-base titration. Retention of radionuclide (60)Co(II) from aqueous solution by sorption onto diatomite was investigated by using batch
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