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22145 Sigma-Aldrich

Celite® 500 fine

filter aid, dried, untreated

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Synonym: Diatomaceous earth, Diatomaceous silica, Kieselguhr

Celite® 500 fine filter aid, dried, untreated
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Properties

quality   dried
  untreated
composition   Al2O3, 3.8%
  CaO, 0.5%
  Fe2O3, 1.2%
  Na2O + K2O, 1.1%
  SiO2, 85.8%
loss   3.2-7.0% loss on ignition, 900 °C
median particle size   13.0 μm (acc. to granulometric method (laser sizer))
pH   ~7 (25 °C, 10% in aq. suspension)
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Description

Application

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

Caution

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Legal Information

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

Price and Availability

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