Version history

March 5, 2018

The program and databse have been updated to Version 3. The updated V3 files are available on the Downloads page.

August 16, 2013

The Naturallly Derived Porphyrin Database has been updated to Version 2. The updated database V2 is avilable on the Downloads page.

January 31, 2013

New additional database: Naturally Derived Porphyrin Database

Current Release: Version 2.1 (03/06/2009)

General changes

We have revised two spectra in the PhotochemCAD™ database. The spectra pertain to:

Changed functions

No functions were changed in this release.

Known issues

Note that when the result of spectra manipulation includes a negative region in the y-axis, the negative region of the spectra cannot be seen automatically. The y-axis of the graph needs to be set manually to an appropriate region to display the negative region of the spectra. This issue should be addressed in a subsequent release.

Development support: 1996-today

The development of PhotochemCAD™ since 1996 has been supported by a grant from the United States Department of Energy, Office of Basic Energy Sciences.

Previous Releases


This page was last updated March 5, 2018