Material: Sepiolite (Spain)

GENERAL INFO IMAGE

Provenance: Spain

Description: Sepiolite is a naturally occurring clay mineral of sedimentary origin. . Chemically, sepiolite is a hydrous magnesium silicate whose individual particles have a fibrous morphology. NEW ERRORS CALCULATED!

FPTI index: 1.683

FPTI error: 0.091

Parameters:



   Mean Length


Value:       7

Value Error:       0.006767

  top

   Mean Diameter


Value:       0.15

Value Error:       0.0245

  top

   Crystal Curvature


Value:       flat surface

Value Error:       0.0

  top

   Crystal Habit


Value:       curled

Value Error:       0.0

  top

   Fibre Density


Value:       2.1

Value Error:       0.0

  top

   Hydrophobic Character of the Surface


Value:       hydrophilic

Value Error:       0.0

  top

   Surface Area


Value:       247

Value Error:       0.0

  top

   Total Iron Content


Value:       0.07

Value Error:       0.0

  top

   Ferrous Iron


Value:       0.03

Value Error:       0.0

  top

   Surface Ferrous/Iron Nuclearity


Value:       >2

Value Error:       0.02

  top

   Content of toxic elements other than iron


Value:       0.5

Value Error:       0.030327

  top

   Fibre dissolution rate


Value:       0.5

Value Error:       0.009197

  top

   Mean velocity of iron release


Value:       2

Value Error:       0.0

  top

   Velocity of amorphous silica production with dissolution


Value:       2

Value Error:       0.0

  top

   Mean velocity release of toxic elements


Value:       0.5

Value Error:       0.0

  top

   Zeta Potential


Value:       negative at pH = 4.5 (intracell) only

Value Error:       0.0

  top

   Zeta Potential induced fibre aggregation


Value:       5

Value Error:       0.00022

  top

   Cation exchange capacity


Value:       False

Value Error:       0.0

  top