Sigma Aldrich 22141-100G-F Diatomaceous Earth Filter Aid, Acid Wash, Flux-Calcined, 100g Bottle

Diatomaceous earth is made up of natural amorphous silica formed from the fossilized skeletons of diatoms.

It is extracted, crushed, dried and calcined with flux material. DE is widely used as filler in construction materials, paints and as an anti-caking agent for agricultural chemicals. 

It has high water and oil absorption ability.

  • Filter aid, Acid washed, treated with sodium carbonate, flux calcined
  • CAS Number 68855-54-9
  • 100g Bottle
  • Manufacturer Part No: SIAL-22141-100G-F
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Item Number: SIG-22141-100G-F
$788.31

Sold in: Eaches

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Each830.76788.31Lead Time

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Details

Quality Level

100
200
 

form

powder

quality

acid washed
flux calcined
treated with sodium carbonate
 

composition

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

loss

~0.3% loss on ignition, 900 °C

particle size

≤113 μm (82% (acc. to Cilas))

pH

<7 (25 °C, 10% in aq. suspension)

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Quality Level

100
200
 

form

powder

quality

acid washed
flux calcined
treated with sodium carbonate
 

composition

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

loss

~0.3% loss on ignition, 900 °C

particle size

≤113 μm (82% (acc. to Cilas))

pH

<7 (25 °C, 10% in aq. suspension)

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