o. 3, Fig. 6. HH BB^^ninsn^BB^naB^B^mamnKMnanmmmmm^aaBm ABSORPTION SPECTRA. 17 We have considered three simple examples of spectra,and each differing in composition. Examples 2 and 3, wherecertain coloured rays of the spectrum are absent or absorbed,are termed absorption spectra, and the study of… … I ■ Pig. 6.—Simple absorption spectra. (1) White light. (2) Blue. (3) Red. being produced by the quenching of certain parts of the solarspectrum, the remaining coloured rays combining togetherto produce the characteristic colour of the substance. Thesetwo absorption spectra are of the simplest…
Color in the textile industries · Dyes and dyeing
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