The primary chemical component in nearly all fireworks is "black powder." The recipe for black powder, a mixture of 75 percent saltpeter (potassium nitrate), 15 percent charcoal, and 10 percent sulfur ...
The primary chemical component in nearly all fireworks is "black powder." The recipe for black powder, a mixture of 75 percent saltpeter (potassium nitrate), 15 percent charcoal (carbon), and 10 ...
PREVIOUS attempts to determine the strontium content of biological materials by spectrochemical methods have not been entirely satisfactory, and in at least one investigation 1 the method was ...
Eder, J. M., und Valenta, E., "Atlas Typischer Spektren" (Wien, 1928). Bacher, R. F., and Goudsmit, S., "Atomic Energy States" (New York, 1933).
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