Over the last decade or so, the functionality of UV-VIS spectrophotometers has not changed much in terms of the sample’s accuracy of measurement. What has changed is that the companies which produce these instruments have increased the ease of sample handling, from manual insertion of one sample at a time at each step of the analytical process to fully automated handling of samples. In addition, they have increased the use of software manipulation of data. Box 1 has a listing of companies ...