Difference between revisions of "Chrome green"

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[[File:350 chrome green.jpg|thumb|Chrome green]]
 
[[File:350 chrome green.jpg|thumb|Chrome green]]
 
== Description ==
 
== Description ==
 
+
[[File:chromegreen C100x.jpg|thumb|Chrome green at 100x (Visible light on left / UV light on right)]]
 +
[[File:32_Chrome_green_500X.jpg|thumb|Chrome green at 500x]]
 
A pigment mixture prepared with chrome yellow ([[lead chromate]]) and [[Prussian blue]]. Chrome green has been used since the early 19th century, primarily in house paints and industrial products. It is not used in artists paints.
 
A pigment mixture prepared with chrome yellow ([[lead chromate]]) and [[Prussian blue]]. Chrome green has been used since the early 19th century, primarily in house paints and industrial products. It is not used in artists paints.
  
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[[[SliderGallery rightalign|Chrome green, collodion slide Forbes (MFA 350), 532 nm.TIF~Raman (MFA)|f350sem.jpg~SEM|f350edsbw.jpg~EDS|Slide10 FC350.PNG~XRF (MFA)]]]
 
[[[SliderGallery rightalign|Chrome green, collodion slide Forbes (MFA 350), 532 nm.TIF~Raman (MFA)|f350sem.jpg~SEM|f350edsbw.jpg~EDS|Slide10 FC350.PNG~XRF (MFA)]]]
  
== Other Properties ==
+
== Risks ==
 +
 
 +
* Toxic by inhalation, ingestion and skin absorption.
 +
* Human carcinogen and teratogen. 
 +
* Suspected mutagen.
 +
* Solomon Colors: [https://www.solomoncolors.com/documents/solomon/sds/Green-Chrome-Oxide-SDS.pdf SDS]
 +
 
 +
==Physical and Chemical Properties==
  
Turns blue with exposure to strong light or acids. Turns dark orange with exposure to alkalis.  Individual blue and yellow particles are small and cannot usually be distinguish microscopically.
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* Turns blue with exposure to strong light or acids.  
 +
* Turns dark orange with exposure to alkalis.   
 +
* Individual blue and yellow particles are small and cannot usually be distinguish microscopically.
  
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 4.06
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| 4.06 g/ml
 
|-
 
|-
 
! scope="row"| Refractive Index
 
! scope="row"| Refractive Index
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|}
 
|}
  
== Hazards and Safety ==
+
==Resources and Citations==
 
 
Toxic by inhalation, ingestion and skin absorption. Human carcinogen and teratogen.  Suspected mutagen.
 
 
 
== Additional Images ==
 
 
 
<gallery>
 
File:chromegreen C100x.jpg|chrome green
 
File:32_Chrome_green_500X.jpg|Chrome green
 
</gallery>
 
 
 
 
 
== Sources Checked for Data in Record ==
 
  
 
* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966  Comment: density=4.06, ref index=~2.4
 
* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966  Comment: density=4.06, ref index=~2.4

Latest revision as of 14:17, 29 May 2022

Chrome green

Description

Chrome green at 100x (Visible light on left / UV light on right)
Chrome green at 500x

A pigment mixture prepared with chrome yellow (Lead chromate) and Prussian blue. Chrome green has been used since the early 19th century, primarily in house paints and industrial products. It is not used in artists paints.

Synonyms and Related Terms

Pigment Green 15; CI 77600; verde cromo (Esp.); vert de chrome (Fr.); Zinnobergrün (Deut.); Chromoxydgrün (Deut.); prasino toy chromioy (Gr.); verde cromo (It.); chromaatgroen (Ned.); verde de crómio (Port.); cinnabar green; green vermilion; Victoria green; Prussian green; bronze green; Milori green; Brunswick green; nitrate green; royal green; zinnober green; oil green;

Raman (MFA)

Chrome green, collodion slide Forbes (MFA 350), 532 nm.TIF

SEM

F350sem.jpg

EDS

F350edsbw.jpg

XRF (MFA)

Slide10 FC350.PNG


Risks

  • Toxic by inhalation, ingestion and skin absorption.
  • Human carcinogen and teratogen.
  • Suspected mutagen.
  • Solomon Colors: SDS

Physical and Chemical Properties

  • Turns blue with exposure to strong light or acids.
  • Turns dark orange with exposure to alkalis.
  • Individual blue and yellow particles are small and cannot usually be distinguish microscopically.
Density 4.06 g/ml
Refractive Index ~2.4

Resources and Citations

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966 Comment: density=4.06, ref index=~2.4
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 611
  • 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)
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
  • The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: "Pigments"

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