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# With the aid of Figures $7-2$ and $7-3,$ suggest instrument components and materials for constructing an instrument that would be well suited for (a) the investigat...

## Question

###### With the aid of Figures $7-2$ and $7-3,$ suggest instrument components and materials for constructing an instrument that would be well suited for (a) the investigation of the fine structure of absorption bands in the region of 450 to $750 \mathrm{nm}$. (b) obtaining absorption spectra in the far IR ( 20 to $50 \mu \mathrm{m}$ ). (c) a portable device for determining the iron content of natural water based on the absorption of radiation by the red $\mathrm{Fe}(\mathrm{SCN})^{2+}$ complex. (d) the

With the aid of Figures $7-2$ and $7-3,$ suggest instrument components and materials for constructing an instrument that would be well suited for (a) the investigation of the fine structure of absorption bands in the region of 450 to $750 \mathrm{nm}$. (b) obtaining absorption spectra in the far IR ( 20 to $50 \mu \mathrm{m}$ ). (c) a portable device for determining the iron content of natural water based on the absorption of radiation by the red $\mathrm{Fe}(\mathrm{SCN})^{2+}$ complex. (d) the routine determination of nitrobenzene in air samples based on its absorption peak at $11.8 \mu \mathrm{m}$. (e) determining the wavelengths of flame emission lines for metallic elements in the region from 200 to $780 \mathrm{nm}$ (f) spectroscopic studies in the vacuum UV region. (g) spectroscopic studies in the near IR.

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