29. Solving a chemistry problem
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1. The table shows the results of measuring the optical density of standard solutions of rubidium on an atomic absorption spectrophotometer using a hollow cathode lamp (I) and an electrodeless discharge lamp (II) as radiation sources.
Source 1
CRb, μg/ml 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0
A(750 nm) 0.106 0.210 0.317 0.422 0.531 0.635 0.739 0.850
Source 2
CRb, μg/ml 10.0 20.0 30.0 40.0 50.0 60.0 70.0
A(780 nm) 0.145 0.298 0.450 0.574 0.629 0.752 0.797
Which of these lamps is more suitable for analytical purposes? Motivate your answer.
Source 1
CRb, μg/ml 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0
A(750 nm) 0.106 0.210 0.317 0.422 0.531 0.635 0.739 0.850
Source 2
CRb, μg/ml 10.0 20.0 30.0 40.0 50.0 60.0 70.0
A(780 nm) 0.145 0.298 0.450 0.574 0.629 0.752 0.797
Which of these lamps is more suitable for analytical purposes? Motivate your answer.
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- Content type File
- Content description 50,33 kB
- Added to the site 19.04.2023
Additional description
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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29. Solving a chemistry problem
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