Sigma Aldrich 22141-25G-F Diatomaceous Earth Filter Aid, Acid Wash, Flux-Calcined, 25g Bottle
Item Number:SIG-22141-25G-F
Manufacturer Part No:22141-25G-F
Manufacturer:Sigma-Aldrich
Units:25g Bottle
Details
- Filter aid, Acid washed, treated with sodium carbonate, flux calcined
- CAS Number 68855-54-9
- 25g Bottle
Quality Level
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
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)