Two lectures on the development and present position of chemical analysis by emission spectra (1911)
Twyman, Frank · London, A. Hilger · leaf 25
large head of which wavelengths of the line underobservation were engraved. It is shewn in slide No. 8—it is made inthree sizes. With a large wavelength spectrometer an observer can state almostat a glance which of the metals most frequently used in steels are present.He can also guess the… … Nl Lantern Slide No. 9. As an example of what can be done in this direction, mention may bemade of the specialised form of spectroscopes made for the visualdetection of Ni, Cr, Mo and Va in steels. One of these instruments, designed for testing bars in the rolling millor warehouse, shewn in slide…
Spectrum analysis
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