Material: Proto-ferro-suenoite

GENERAL INFO IMAGE

Provenance: Nippyo mine, Tochigi Prefecture, Japan

Description: Il campione misura 1.34cm di lato e presenta delle fibre aciculari bianco- grigiastre fino a qualche decimo di millimetro di lunghezza e di spessore micrometrico.

FPTI index: 3.300

FPTI error: 0.093

Parameters:



   Mean Length


Value:       21.8

Value Error:       0.013534

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   Mean Diameter


Value:       0.16

Value Error:       0.036788

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   Crystal Curvature


Value:       rounded surface

Value Error:       0.0

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   Crystal Habit


Value:       acicular

Value Error:       0.0

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   Fibre Density


Value:       3.984

Value Error:       0.0

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   Hydrophobic Character of the Surface


Value:       hydrophilic

Value Error:       0.0

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   Surface Area


Value:       6.3

Value Error:       0.018394

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   Total Iron Content


Value:       30.88

Value Error:       0.0

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   Ferrous Iron


Value:       30.88

Value Error:       0.0

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   Surface Ferrous/Iron Nuclearity


Value:       >2

Value Error:       0.02

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   Content of toxic elements other than iron


Value:       171.78

Value Error:       0.0

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   Fibre dissolution rate


Value:       70.0

Value Error:       0.0

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   Mean velocity of iron release


Value:       0.35

Value Error:       0.001527

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   Velocity of amorphous silica production with dissolution


Value:       0.33

Value Error:       0.001117

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   Mean velocity release of toxic elements


Value:       14.7

Value Error:       0.0

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   Zeta Potential


Value:       negative at both pH = 4.5 and pH = 7.4

Value Error:       0.0

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   Zeta Potential induced fibre aggregation


Value:       13.0

Value Error:       0.001643

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   Cation exchange capacity


Value:       False

Value Error:       0.0

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