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In the simple (short, or 8-color) test, as published in 1969, a subject is presented with 8 cards, each containing a color. The colors include 4 "basic" (blue, yellow, red, green) and "auxiliary" (violet, brown, grey, and black) colors.
List of reagent testing color charts. It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2]
The Farnsworth Lantern Test, or FALANT, is a color vision test originally developed specifically to screen sailors for tasks requiring color vision, such as identifying signal lights at night. It screens for red-green deficiencies, but not the much rarer blue color deficiency.
Purple of Cassius is a purple pigment formed by the reaction of gold salts with tin(II) chloride. It has been used to impart glass with a red coloration (see cranberry glass), as well as to determine the presence of gold as a chemical test.
Carmine color is the general term for some deep red colors that are very slightly purplish but are generally slightly closer to red than the color crimson is. Some rubies are colored the color shown below as rich carmine .
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Zazzle is an American online marketplace that allows designers and customers to create their own products with independent manufacturers (clothing, posters, etc.), as well as use images from participating companies.
Mecke reagent. The Mecke reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of selenous acid and concentrated sulfuric acid, [1] which is dripped onto the substance being tested. The United States Department of Justice method for producing the reagent is the addition ...
Halle Bailey was majestic on the red carpet at The Color Purple premiere. Bailey, 23, graced the Wednesday, December 6, event in a billowing gown by Off-White.
Akinwale Oluwafolajimi Oluwatope Arobieke (born 15 July 1961), commonly known as Purple Aki, is a British man known for his criminal convictions for harassment. He has been convicted for touching and measuring the muscles of young men and asking them to squat his body weight.
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