Difference between revisions of "Origins of surface charge"

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== Introduction ==
 
== Introduction ==
  
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== Origin of charge - Ionic solids ==
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[[Image:OriginOfChargeIonicSolids.png |thumb| 400px | center | Reference]]
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{|-
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! Substance
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! PZC
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|-
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| Fluorapatite, Ca5(PO4)3(F, OH)
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| pH = 6
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|-
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| Hydroxyapatite, Ca5(PO4)3(OH)
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| pH = 7
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|-
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| Calcite, CaCO3
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| pH = 9.5
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|-
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| Fluorite, CaF2
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| pCa = 3
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|-
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| Barite (syntheitc), BaSO4
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| pBa = 6.7
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|-
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| Silver iodide, AgI
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| pAg = 5.6
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|-
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| Silver chloride, AgCl
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| pAg = 4
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|-
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| Silver sulphide, Ag2S
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| pAg = 10.2
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|-
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|}
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[[#top | Top of Page]]
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----
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== Origin of charge for oxides ==
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[[Image: ImageFileName |thumb| 400px | center | Reference]]
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[[#top | Top of Page]]
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== Adsorption of ionic surfactants ==
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[[Image: ImageFileName |thumb| 400px | center | Reference]]
  
  

Revision as of 21:07, 13 November 2008

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Introduction

Origin of charge - Ionic solids

Reference
Substance PZC
Fluorapatite, Ca5(PO4)3(F, OH) pH = 6
Hydroxyapatite, Ca5(PO4)3(OH) pH = 7
Calcite, CaCO3 pH = 9.5
Fluorite, CaF2 pCa = 3
Barite (syntheitc), BaSO4 pBa = 6.7
Silver iodide, AgI pAg = 5.6
Silver chloride, AgCl pAg = 4
Silver sulphide, Ag2S pAg = 10.2

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Origin of charge for oxides

File:ImageFileName
Reference



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Adsorption of ionic surfactants

File:ImageFileName
Reference



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