Difference between revisions of "Whiting"

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chalk; whitening; Spanish white; limestone whiting; Paris white; English white; gilder's whiting; Pigment White 18; CI 77220
 
chalk; whitening; Spanish white; limestone whiting; Paris white; English white; gilder's whiting; Pigment White 18; CI 77220
  
[[[SliderGallery rightalign|PIGWHIT.jpg~XRD|fwhitingsem.jpg~SEM|fwhitingedsbw.jpg~EDS]]]
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[[[SliderGallery rightalign|Whiting (Forbes MFA no number), collodion slide, 785 nm copy.tif~Raman (MFA)|PIGWHIT.jpg~XRD|fwhitingsem.jpg~SEM|fwhitingedsbw.jpg~EDS]]]
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== Physical and Chemical Properties ==
  
== Other Properties ==
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* Small irregular shaped particles (0.1-10 microns);  
 
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* High birefringence with strong interference colors
Small irregular shaped particles (0.1-10 microns); high birefringence with strong interference colors
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* May fluoresce a medium purple color.  
 
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* Reacts with acids to evolve carbon dioxide.
Mmay fluoresce a medium purple color. Reacts with acids to evolve carbon dioxide.
 
  
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 2.70
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| 2.70 g/ml
 
|-
 
|-
 
! scope="row"| Refractive Index
 
! scope="row"| Refractive Index
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[[media:download_file_526.pdf|Characteristics of Common White Pigments]]
 
[[media:download_file_526.pdf|Characteristics of Common White Pigments]]
 
 
  
 
== Additional Images ==
 
== Additional Images ==
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</gallery>
 
</gallery>
  
 
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== Resources and Citations ==
== Sources Checked for Data in Record ==
 
  
 
* Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, ''Pigment Compendium'', Elsevier Butterworth-Heinemann, Oxford, 2004
 
* Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, ''Pigment Compendium'', Elsevier Butterworth-Heinemann, Oxford, 2004
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* Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
 
* Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
  
* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
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* Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 10:22, 27 June 2022

Whiting

Description

A fine powder of white Chalk (native Calcium carbonate). Whiting has been used as an inert pigment in paints, inks, and puttys and also as a flux in low temperature ceramic glazes. Synthetically prepared calcium carbonate, called precipitated chalk, is much whiter and finer than whiting.

Synonyms and Related Terms

chalk; whitening; Spanish white; limestone whiting; Paris white; English white; gilder's whiting; Pigment White 18; CI 77220

Raman (MFA)

Whiting (Forbes MFA no number), collodion slide, 785 nm copy.tif

XRD

PIGWHIT.jpg

SEM

Fwhitingsem.jpg

EDS

Fwhitingedsbw.jpg

Physical and Chemical Properties

  • Small irregular shaped particles (0.1-10 microns);
  • High birefringence with strong interference colors
  • May fluoresce a medium purple color.
  • Reacts with acids to evolve carbon dioxide.
Density 2.70 g/ml
Refractive Index 1.486; 1.645

Comparisons

Properties of Common Abrasives

Characteristics of Common White Pigments

Additional Images

Resources and Citations

  • Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, Pigment Compendium, Elsevier Butterworth-Heinemann, Oxford, 2004
  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 181
  • Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Paint in America, Robert Moss (ed.), John Wiley & Sons, New York, 1994 Comment: Ian Bristow "House Painting in Britain"
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985