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Topic: Cadmium Yellow


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In the News (Mon 28 May 12)

  
  AllRefer.com - cadmium, Compound & Element (Compounds And Elements) - Encyclopedia
Cadmium oxide, a brown powder formed by burning the metal in air, is used in electroplating; it is also made by heating cadmium hydroxide.
The major use of cadmium is as a coating that is electroplated on iron and steel to prevent corrosion; it is preferable to zinc for protection from alkalies.
Cadmium does not occur uncombined in nature; greenochite, a cadmium sulfide mineral found near Greenoch, Scotland, is the only commercial ore. Cadmium is obtained principally as a byproduct of the smelting and refining of ores of zinc, especially zinc sulfides, and of lead and copper.
reference.allrefer.com /encyclopedia/C/cadmium.html   (336 words)

  
 Cadmium yellow - history
Cadmium sulfide was prepared with an acid solution of cadmium salt (either chloride or sulfate) which was heated with hydrogen sulfide gas until a powder was formed.
The deeper varieties of cadmium yellow and orange were the most permanent.
All of the cadmiums were brilliant and the deeper shades had the greatest tinting strength.
webexhibits.org /pigments/indiv/history/cdyellow.html   (220 words)

  
 Cadmium yellow - technical information
Cadmium yellow is colored because of the reasons explained by the band theory of semiconductors.
Cadmium pigments are dissolved in hydrochloric acid and nitric acids and are unchanged by sodium sulfide
Cadmium pigments are classified as absolutely permanent with the exception that they are not suitable for the exterior applications and for mural painting techniques.
www.webexhibits.com /pigments/indiv/technical/cdyellow.html   (234 words)

  
 handprint : yellow watercolors
Cadmium hues can be precisely adjusted by the proportion of zinc sulfide or cadmium sulfoselenide in the pigment blend, and this allows manufacturers to choose their own placement and spacing of hues in the cadmium yellows they offer.
If a strong yellow is important to your palette, it's worth the expense to experiment with a "middle" or "pale" ("primary") cadmium yellow to see if the pigment works for you; if it does, sample the "lemon/light" and "deep" paints to find the brands and hue spacing you prefer.
Hansa yellow is a good general purpose yellow paint, bright enough for botanical or floral palettes, and an intense but less expensive alternative to cadmium paints for those concerned about cost or toxicity (for example, in paints for children).
www.handprint.com /HP/WCL/watery.html   (6174 words)

  
 Cadmium Sulfide   (Site not responding. Last check: 2007-10-16)
The primary use for high-purity cadmium sulfide is in photovoltaics and pigments.
Cadmium sulfide is available in powder form at minus 30 mesh.
Cadmium has long been recognized as a toxic material and persons working with it should understand the dangers of excessive exposure to antimony.
www.asarco.com /purity_cadmiumsulfide.html   (122 words)

  
 A Periodic Table of the Elements From Mineral Information Institute   (Site not responding. Last check: 2007-10-16)
It is also used in electroplating, paint pigments (cadmium sulfide is the common pigment cadmium yellow) and rechargeable batteries (ni-cads).
Cadmium absorbs neutrons and is used in the control rods that dampen nuclear reactions in fission reactors.
Cadmium compounds are used in fl and white television tubes and in the blue and green phosphors in color television tubes.
www.mii.org /periodic/Cd.htm   (210 words)

  
 handprint : synthetic inorganic pigments
Cadmiums are saturated, semiopaque to opaque (they become less opaque as they dry), lustrous, dense and very smooth (powdery) pigments, expensive but extremely permanent in pure form and if not mixed with lead or iron paints.
Cadmiums are considered mildly to moderately toxic (especially the reds, which also contain selenium) because they can cause poisoning sickness or cancer if eaten or inhaled in large quantities as a pigment powder, sprayed paint, pastel residue, or fumes from heated pigment.
The color of naples yellow, which can range from a pale yellow to a light reddish brown, is usually simulated with a mixture of yellow cadmium sulfide and red iron oxide, lightened with zinc white.
www.handprint.com /HP/WCL/pigmt1b.html   (3951 words)

  
 Environmental Yellow Pages - Elemental Cadmium   (Site not responding. Last check: 2007-10-16)
Almost all cadmium is obtained as a by-product in the treatment of zinc, copper, and lead ores.
Cadmium is a component of some of the lowest melting alloys; it is used in bearing alloys with low coefficients of friction and great resistance to fatigue; it is used extensively in electroplating, which accounts for about 60% of its use.
Cadmium compounds are used in fl and white television phosphors and in blue and green phosphors for color TV tubes.
www.enviroyellowpages.com /chemicals/ElementCadmium.htm   (392 words)

  
 New Page 1   (Site not responding. Last check: 2007-10-16)
Cadmium yellow is cadmium sulphide which is prepared by precipitation from an acid solution of a soluble cadmium salt (chloride or sulphate) with hydrogen sulphide gas or an alkali sulphide.
The color of the pure cadmium sulphide ranges in hue from lemon yellow to deep orange, depending upon the conditions of precipitation.
Cadmium yellow is perhaps the most important yellow pigment on the artist´s palette and is widely available in numerous shades.
www.ut.ee /katsekoda/IR_Spectra/cadmium%20yellow.htm   (84 words)

  
 Cadmium pigments
The principal pigments are a family of yellow/orange/red cadmium sulfides and sulfoselenides.
Their greatest use is in the coloring of plastics and specialty paints which must resist processing or service temperatures up to 300C.
Cadmium pigments can also color glass and ceramic glazes, not by solution, but colloidal dispersion within the glass.
www.sciencedaily.com /encyclopedia/cadmium_pigments   (225 words)

  
 Gamblin Artists Colors - Artists Grade Oils - Yellow   (Site not responding. Last check: 2007-10-16)
Cadmium is a silvery metal that occurs in nature, but cadmium pigments are manufactured.
In the 20th century, the most transparent of the yellows that we at Gamblin call "Indian Yellow" is a light stable diarylide pigment.
Hansa yellow pigments were first made in Germany just before World War I. They are organic pigments that are semi-transparent and lightfast (Hansa Yellow Light is Lightfastness II, and Hansa Yellow Medium and Deep are Lightfastness I).
www.gamblincolors.com /materials/yellows.html   (798 words)

  
 pigment on Encyclopedia.com
The brilliant and beautiful coloring of the rock and soil in some parts of the United States, especially in the Grand Canyon of the Colorado River, the Painted Desert of Arizona, and Bryce and Zion canyons of Utah, is largely produced by such compounds, chiefly oxides.
Yellow ocher, sienna, and umber are oxides of iron.
Among others are carotene, the yellow of carrots and certain other vegetables, and anthocyanin, which imparts blue, red, and purple to flowers.
www.encyclopedia.com /html/p1/pigment.asp   (838 words)

  
 Cadmium Yellow Medium   (Site not responding. Last check: 2007-10-16)
Cadmium Yellow Medium is not a primary color or a secondary color on a 36 color wheel.
It's necessary to go this deep into a color wheel for usable colors because of the lack of a transparent yellow in acrylics and the almost unknown color in oil paint.
Indian Yellow Original is impossible to get today since it was taken off the market in 1900.
www.mauigateway.com /~donjusko/rcwcadyellowmed.htm   (148 words)

  
 Information on Cadmium yellow
[1913 Webster] Cadmium yellow, Chrome yellow, Indigo yellow, King's yellow, etc. See under Cadmium, Chrome, etc. Naples yellow, a yellow amorphous pigment, used in oil, porcelain, and enamel painting, consisting of a basic lead metantimonate, obtained by fusing together tartar emetic lead nitrate, and common salt.
Patent yellow (Old Chem.), a yellow pigment consisting essentially of a lead oxychloride; -- called also Turner's yellow.
It was discovered by Stromeyer in 1817, who named it from its association with zinc or zinc ore. [1913 Webster] Cadmium yellow, a compound of cadmium and sulphur, of an intense yellow color, used as a pigment.
www.wkonline.com /d/Cadmium_yellow.html   (221 words)

  
 xanthopsia - Thesaurus   (Site not responding. Last check: 2007-10-16)
jaundice; London fog; yellowness adj.; icterus; xantho-cyanopia, xanthopsia.
Adjective: yellow, aureate, golden, flavous, citrine, fallow; fulvous, fulvid; sallow, luteous, tawny, creamy, sandy; xanthic, xanthous; jaundiced- auricomous.
yellow as a quince, yellow as a guinea, yellow as a crow's foot.
www.yourthesaurus.net /xanthopsia.html   (242 words)

  
 Williamsburg Handmade Oil Colors - Cadmium Colors
Our cadmiums are more heavily pigmented and more brilliant than other premium paints.
For example, our Cadmium Yellow Light could be called Cadmium Yellow Pale by some: our Cadmium Yellow Medium might be considered a Cadmium Yellow Light; our Cadmium Deep Yellow might be considered Cadmium Yellow Medium.
With cadmiums this is a difficult balance to maintain.
www.williamsburgoilpaint.bizland.com /OilColors/cadmiums.htm   (155 words)

  
 Cadmium yellow - overview
Cadmium sulfide can be made in various shades ranging from very light yellow to deep orange.
It has very high hiding power and good permanence.
The name "Cadmium yellow" comes from Latin cadmia = zinc ore calamine, from Greek kadmeia = Cadmean earth, first found near Thebes, city founded by the Phoenician prince Cadmus..
webexhibits.org /pigments/indiv/overview/cdyellow.html   (102 words)

  
 Cadmium yellow pigments - toxicity, ecologicial toxicity and regulatory information
Cadmium yellow pigments - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information
Chemical Identification and Use for Cadmium yellow pigments
Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.
www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC33685   (861 words)

  
 KREMER Pigments: Cadmium and Color Pigments   (Site not responding. Last check: 2007-10-16)
Cadmium pigments are excellently lightfast, opaque and brilliant with high coloring strength.
Its specific weight does not quite match that of Naples yellow, but its hiding power and properties in oil and tempera are very similar.
Bristol yellow can be used in all media, and is rated extremely lightfast in all applications.
www.kremer-pigmente.de /englisch/krpigm02.htm   (1117 words)

  
 clayart - thread 'cadmium/lewing'   (Site not responding. Last check: 2007-10-16)
"Almost all cadmium is obtained as a by-product
cadmium may cause workers to be unwittingly exposed to dangerous fumes.
redefined the meter in terms of the wavelength of the red cadmium =
www.potters.org /subject68839.htm   (193 words)

  
 Miniature-Painting.net   (Site not responding. Last check: 2007-10-16)
The "radar" dish, acid gun mantlet, and hip joint coverings are an olive drab made by mixing Mars Black and Cadmium Yellow Light.
Then it was dry brushed with a pinkish-khaki mix of Burnt Sienna, Mars Black, Titanium White and Cadmium Yellow Light.
This was painted with a mix of Cadmium Red Deep Hue and Burnt Sienna.
www.miniature-painting.net /Visions3/ursa_peter.html   (295 words)

  
 adidas response cushion (white-new navy-cadmium yellow) - all mens   (Site not responding. Last check: 2007-10-16)
http://www.savagedusk.org/ - adidas response cushion (white-new navy-cadmium yellow) - all mens
With our proprietary software we are able to analyze the best resources for adidas response cushion (white-new navy-cadmium yellow) - all mens on the net.
Much R&D capital has been spent to built this software, and today we are licensing the software to our many partners.
www.savagedusk.org /adidas/adidas-response-cushion-(white-new-navy-cadmium-yellow)---all-mens.html   (227 words)

  
 Parts For Yellow Fiberglass Stacking Chairs   (Site not responding. Last check: 2007-10-16)
Researching for information on parts for yellow fiberglass stacking chairs, we can help.
People that are sitting for more than 5 hours per day like Telemarketer, Call Center Employees, Writers and Editors will want to find a chair that provides the most comfortable seat height, adjustable seat angle, knee tilt and free floating back support.
Modern Auction October 21, 2001 - MILLER yellow fiberglass...
www.officechairnow.com /parts-for-yellow-fiberglass-stacking-chairs.html   (416 words)

  
 The Effects of Thymol on Paper, Pigments, and Media
The strip yellowed in proportion to the amount of time that it was aged; that section exposed to thymol and subsequently aged appeared to have yellowed even more.
Lamp fl, Davy's gray, sepia, raw umber, raw sienna, yellow ochre, burnt sienna, gamboge, cadmium yellow, Venetian red, rose madder, Chinese white (or zinc white), viridian, terre verte, Winsor green, Winsor blue, Prussian blue, indigo, cobalt blue, French ultramarine, cadmium red, and vermilion.
Experimental work was done to determine the cause for rapid yellowing of prints displayed in frames containing thymol.
palimpsest.stanford.edu /byorg/abbey/an/an21/an21-3/an21-308.html   (3577 words)

  
 ► adidas Response Cushion (White-New Navy-Cadmium Yellow) - All Mens Sale Items   (Site not responding. Last check: 2007-10-16)
They were true to size, very comfortable and of course as always it was easy and convenient.
I love these shoes so much that when I bought a size too small, I gave those to my sister and reordered a size larger for myself.
Best for comfort - These are good to wear all day long, even if you do a lot of walking.
www.obstokl.com /zp-adidas-9/adidas_Response_Cushion_(White-New_Navy-Cadmium_Yellow)_-_All_Mens_Sale_Items.html   (351 words)

  
 How To - Basic Landscape   (Site not responding. Last check: 2007-10-16)
Highlight the evergreen with the fan brush and the bushes with the 1" brush and Cadmium Yellow.
Highlight the foreground trees with the 1" brush and Cadmium Yellow.
You are free to print this project from our website as long as it is for your personal painting use only and not for further copying or reproduction.
www.bobross.com /howto3.cfm?type=Landscape&Page=BasicLandscape2   (278 words)

  
 Individual Paints - Ziggy Art
Daler-Rowney Designers' Gouache has been developed for the professional and is available in 90 brilliant matt colours for a wide choice in sensitive graphic reproduction or fine art painting techniques.
Cadmium Yellow Hue Tint 4 - £2.68 - (RRP:£3.00)
Yellow Ochre Tint 4 - £2.68 - (RRP:£3.00)
www.ziggyart.co.uk /products/individual_paints   (2915 words)

  
 Michael Wilcox School Of Colour Cadmium Red Light
Cadmium Red Light,unlike Vermilion (an alternative orange-red) which can turn fl on exposure.">
Cadmium Red Light, an orange-red will give bright oranges when mixed with Cadmium Yellow Light and dark, greyed violets with Cerulean Blue. Being opaque it covers well but has sufficient strength to give reasonably clear washes. It is lightfast, unlike Vermilion (an alternative orange-red) which can turn fl on exposure.
Rated ASTM 1 as a watercolour, oil paint, acrylic or gouache.
www.schoolofcolour.co.uk /acatalog/Cadmium_Red_Light_Oils.html   (165 words)

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