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Bookmark or Share- What do the blue and pink color of the rust indicator shown mean?What do the blue and pink color the rust indicator shown mean? Let say, the mixture of potassium hexacyanoferrate(III) and phenolphthalein is the rust indicator. And we use to detect the rusting of an iron nail. And the result is: the tip, head region of the nail appear blue color; the straight region appears pink color.
- Aurora Forecast - Geophysical InstituteThe aurora is most often seen as a striking green, but it also occasionally shows off other colors, ranging from red to pink or blue to purple. Oxygen at about 60 miles up gives off the familiar green-yellow color, while oxygen at higher altitudes (about 200 miles above Earth’s surface) gives all-red auroras.
- Creating Pink Sterling Silver: Chemistry and Heat Treatment Explained"Pink sterling silver is created through a process called heat treatment. The silver and copper are melted together at high temperatures, then rapidly cooled to form a solid alloy. This process allows for the copper atoms to evenly disperse throughout the silver, creating the pink color.
- Pink salmon — too much of a good thing? - Geophysical InstitutePink salmon born in hatcheries, where professionals harvest eggs from wild salmon and rear them in captivity before releasing them in the ocean, have doubled in numbers since 1990. Russians have pink salmon hatcheries that increase numbers in the North Pacific and Bering Sea Alaskans run hatcheries in Valdez and other places in Prince William ...
- Plasma Color: What Makes It Blue & What Colors It Can Be? - Physics ForumsDepends on the lamp. Incandescents - while don't contain plasma - emit the light just because wire is hot. In gas discharge lamps atoms (or molecules) get excited by collisions with electrons or other ions/atoms that were accelerated by the electric field between electrodes, then they emit photons when falling back to lower energy states.
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