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Optimum Photometric Range of Ultraviolet Spectrophotometers

Volume 19, Number 1 (Jan. 1965) Page 32-33

Slavin, Walter


Gridgeman (1) assumed that a spectrophotometer would be limited in photometric performance by the readout mechanism. The absorbance, A, is related to the transmittance, T, by:

A = - log T, then dA/dT = - (log e)/T.