Due to the diversity of spectrophotometers we do not make a holder for the spectrophotometers. You will need to know the beam shape and size and the exact location in sample cell of the beam path. Then ...
In the past 60 years or so human activity has contributed to the deterioration of the ozone layer. Only 10 or less of every million molecules of air are ozone. The majority of these ozone molecules resides in a laye...