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Several of the CPK colors refer mnemonically to colors of the pure elements or notable compound. For example, hydrogen is a colorless gas, carbon as charcoal, graphite or coke is black, sulfur powder is yellow, chlorine is a greenish gas, bromine is a dark red liquid, iodine in ether is violet, amorphous phosphorus is red, rust is dark orange-red, etc.
CPK coloring, a way to color atoms when visualizing molecular models Creatine phosphokinase , an enzyme found in humans, or alternatively a blood test for it Transport
Pages in category "Color codes" The following 28 pages are in this category, out of 28 total. ... CPK coloring; D. Detectable tape; E. Color coding of electrical wiring;
Robert Corey, Linus Pauling, Walter Koltun (CPK coloring) 1951 Space-filling models of alpha-helix, etc. Pauling's "Nature of the Chemical Bond" covered all aspects of molecular structure and influenced many aspects of models Francis Crick and James D. Watson: 1953 spikes, flat templates and connectors with screws model of DNA Molecular graphics
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The article currently fails to explain that "CPK colors" is a very loose term that is used by different softwares and kit makers to label very different color schemes. The Jmol webpage has a table showing the hex color values and the difference between its coloring and that of Rasmol (which itself has two versions).
The earliest examples of color codes in use are for long-distance communication by use of flags, as in semaphore communication. [1] The United Kingdom adopted a color code scheme for such communication wherein red signified danger and white signified safety, with other colors having similar assignments of meaning.
Electrochemical coloring of metals is a process in which the surface color of metal is changed by electrochemical techniques, i.e. cathodic or anodic polarization. The first method of electrochemical coloring of metals are certainly Nobili's colored rings, discovered by Leopoldo Nobili , an Italian physicist in 1826.