Flame Tests of Metals
5:07
YouTubeHarvard Natural Sciences Lecture Demonstrations
Flame Tests of Metals
Qualitative demonstration of how salts of various metals—sodium, lithium, potassium, calcium, strontium, barium, and copper—emit characteristic colors when burned in a flame. We can analyze the component colors by placing a 500 lines/cm diffraction film in front of the camera lens. Notice that some elements are mostly monochromatic (sodium ...
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