| Popis: |
The paper sets forth basic principles in the design and use of spectrophotometers. §§ 1-4 deal with absorption spectrophotometry in its application to chemistry and includes consideration of the various methods in use, viz. photographic, visual, and photoelectric. The optimum conditions for each method are stated and the three types of method are compared. § 5 is concerned with spectrophotometry as a means of describing a radiation, as for instance in connexion with colorimetry, the comparison of light sources and quantitative spectrum analysis. |
