recording light
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If given a molecule that does not absorb light how can you assess its concentration using spectrophotometry?
I have a spectrophotometry practical to write up and this is one of the points that has to be addressed.
Would binding it to another compound that does absorb light and recording the absorbance at different wavelengths and drawing a calibration curve be sufficient?
we do something like what you are saying
we add thiocyanate to Iron to make a deep red
we add ammonia to copper to make a deep blue
we add what is called a ligand that allows the colorless or almost colorless to have a color
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however ther is infrared & ultraviolet spectroscopy...just because they don't absorb visible doesn't mean they don't absorb IR & UV take nitrates, sulfates & carbonates as examples
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and if it won't absorb much, why not energize it witha flame or electric arc & let it emit light .
emmission spectroscopy is quite common
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RECORDING Studio Warning Light Sign 120V 240V NEW | ![]() |
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US $89.95 | 3d 13h 52m |
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