is an improvement on the old Drummond light. It is produced by the combustion of pure lime -- oxyde of calcium -- in the flame of the oxy-hydrogen blow-pipe. When this combustion takes place in ...

xxv. p. 103, the spectroscope declares that all these three spectra have for their base a continuous strip or band of light; in the case of gas-flame (the bright part) crossed by the sodium lines ...

Most of the light that streams to our eyes appears white or yellowish, but light, part of the electromagnetic spectrum ... sources to examine are a candle flame, a flashlight, yellow street ...

Colors of emission spectra are due to loosely-bound valence electrons being excited in a flame and dropping back down while emitting light. Warning! Once the flame has started, DO NOT add more ...

I couldn’t believe the teacher was going to let all the jokers in my class light ... flame. Bunsen and Kirchhoff eventually discovered two new chemical elements (rubidium and caesium) by ...

Pyroxenes are a major group of rock-forming minerals. Scientists investigated the iron ion status of a calcium-rich pyroxene, using Mössbauer spectroscopy on thin sections of single crystals.

Pyroxenes are a major group of rock-forming silicate minerals that generally contain calcium, magnesium, and iron. Given their abundance, elucidating the physical properties of pyroxenes is deemed ...