The paper describes a simple but accurate unit for the Beckman DK2 recording spectrophotometer, whereby any 0 1 section of the extinction ('absorbance') scale may be expanded tenfold, while preserving complete linearity in extinction.
The paper describes a simple but accurate unit for the Beckman DK2 recording spectrophotometer, whereby any 0 1 section of the extinction ('absorbance') scale may be expanded tenfold, while preserving complete linearity in extinction.