A New Method for the Determination of Circular Dichroism
Recent papers on the relationship between optical rotatory dispersion and circular dichroism of optically active systems have stressed the sup eriority of the latter in interpreting the data. Unfortunately, circular dichroism measure — ments have been either difficult or expensive to obtain. Recently available instruments are costly and the reliability of the data these instruments afford certainly has not reached its maximum. Universal polarimeters have been described, but they require either major changes in existing instruments or special construction of new instruments. This paper describes a method of modifying the RUDOLPH Spectropolarimeter, Model 200 AS, to measure the ellipticity of elliptically polarized light and thus indirectly measure circular dichroism. This modification requires no major changes and virtually no expense.
KeywordsCircular Dichroism Major Axis Special Construction Circular Dichroism Measure Fast Axis
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