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spectroscopy - Why does hydrogen burn with a pale blue flame while its emission spectral lines are red in colour? - Chemistry Stack Exchange
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Flame flashback (left) in burner caused by adding hydrogen to natural gas | Download Scientific Diagram
P34 Ultraviolet and visible spectral imaging of hydrogen flames using an organic photoconductive film CMOS imager
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So just how dangerous is hydrogen fuel? | HYdrogen Properties for Energy Research (HYPER) Laboratory | Washington State University
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