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  • 06858
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06858

Sigma-Aldrich

Celite® S

filter aid, dried, untreated

Synonym(s):
Diatomaceous earth, Diatomaceous silica, Kieselguhr
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
SB.52

Quality Level

form

powder

quality

dried
untreated

composition

Al2O3, 4.1%
CaO, 0.4%
Fe2O3, 1.6%
MgO, 0.2%
Na2O + K2O, 1.4%
P2O5, 0.3%
SiO2, 90.2%
TiO2, 0.2%

loss

3.2-10.0% loss on ignition, 900°C

pH

~7 (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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Celite® S filter aid, dried, untreated

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Celite® S

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

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Celite® 545 AW

Celite® 545 AW reagent grade

Supelco

20199-U

Celite® 545 AW

form

powder

form

powder

form

powder

form

powder

quality

dried, untreated

quality

-

quality

acid washed, flux calcined, treated with sodium carbonate

quality

-

composition

Al2O3, 4.1% , CaO, 0.4% , Fe2O3, 1.6% , MgO, 0.2% , Na2O + K2O, 1.4% , P2O5, 0.3% , SiO2, 90.2% , TiO2, 0.2%

composition

SiO2, 98%

composition

Al2O3, 4.0% , CaO, 0.5% , Fe2O3, 1.3% , Na2O + K2O, 3.3% , SiO2, 89.5%

composition

-

loss

3.2-10.0% loss on ignition, 900°C

loss

-

loss

~0.3% loss on ignition, 900 °C

loss

-

pH

~7 (25 °C, 10% in aq. suspension)

pH

-

pH

<7 (25 °C, 10% in aq. suspension)

pH

-

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

General description

Celite® S is composed of SiO2 and is also known as diatomite or diatomaceous earth. It is used as a filter aid for rapid filtration in an aqueous solution.

Application

Highly insoluble, inert material for use as a filtration aid.

Legal Information

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

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

STOT RE 1 Inhalation

Target Organs

Lungs

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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