Difference between revisions of "Calcium hydroxyapatite"

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== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
tribasic calcium phosphate; tricalcium orthophosphate; tricalcium phosphate; bone ash
+
tribasic calcium phosphate; tricalcium orthophosphate; tricalcium phosphate; bone ash; hydroxylapatite
 
[[[SliderGallery rightalign|Hydroxyapatite PMA.TIF~FTIR (PMA)|Hydroxyapatite.png~Raman (RRUFF)|PIG540.jpg~XRD|f540sem.jpg~SEM|f540edsbw.jpg~EDS]]]
 
[[[SliderGallery rightalign|Hydroxyapatite PMA.TIF~FTIR (PMA)|Hydroxyapatite.png~Raman (RRUFF)|PIG540.jpg~XRD|f540sem.jpg~SEM|f540edsbw.jpg~EDS]]]
  

Latest revision as of 13:06, 2 December 2022

Description

A white, odorless, tasteless powder. Bone is primarily composed of calcium hydroxyapatite mixed with Calcium carbonate and organic binders. Calcium hydroxyapatite is used in the manufacture of Milk glass, as a polishing powder, as a mordant and as a buffer.

See also Apatite.

Synonyms and Related Terms

tribasic calcium phosphate; tricalcium orthophosphate; tricalcium phosphate; bone ash; hydroxylapatite

FTIR (PMA)

Hydroxyapatite PMA.TIF

Raman (RRUFF)

Hydroxyapatite.png

XRD

PIG540.jpg

SEM

F540sem.jpg

EDS

F540edsbw.jpg


Risks

  • Nonflammable.
  • Merz USA: SDS

Physical and Chemical Properties

Soluble in mineral acids. Insoluble in water, ethanol, acetic acid.

Composition Ca10(PO4)6(OH)2
CAS 1306-06-5
Melting Point 1670 C
Density 3.18 g/ml
Molecular Weight mol. wt. = 1004.69
Refractive Index 1.63

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1741