spectra yellow
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spectra yellow — a vivid yellow color. Also called Hansa yellow … Useful english dictionary
Yellow — Infobox color|title=Yellow pic= wavelength=570–580 symbolism=age/aging, warmth, cowardice, happiness, slow, sunshine, the Orient, electricity hex=FFFF00|textcolor=blue spelling=Color r=255|g=255|b=0|rgbspace=sRGB source=HTML/CSS… … Wikipedia
Hansa yellow — 1. a pigment derived from coal tar, characterized chiefly by its brilliant yellow color. 2. See spectra yellow. [after HANSA (perh. pun on enhance)] * * * … Universalium
Hansa yellow — 1. a pigment derived from coal tar, characterized chiefly by its brilliant yellow color. 2. See spectra yellow. [after HANSA (perh. pun on enhance)] … Useful english dictionary
Acridine yellow — chembox new ImageFile = Acridine yellow.png IUPACName = 2,7 dimethylacridine 3,6 diamine OtherNames = Acridine yellow G Acridine yellow H107 Basic Yellow K 2,7 Dimethylproflavine Abbreviations = Formula = C15H15N3 MolarMass = 273.3g/mol CASNo =… … Wikipedia
Lucifer yellow — is a fluorescent dye used in cell biology. For common usage it is compounded with carbohydrazide (CH) and prepared as a Lithium salt. The CH group allows it to be covalently linked to surrounding biomolecules during aldehyde fixation. The key… … Wikipedia
Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… … Wikipedia
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
Color — This article is about the perceptual property. For other uses, see Color (disambiguation). For usage of color on Wikipedia, see Wikipedia:Colors. Colored pencils Color or colour (see spelling differences) is the visual perceptual property… … Wikipedia
heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… … Universalium
