General view of Ernest Bartha, director of the Elyria City Health Department Laboratory, injecting a drug evidence sample into a Perkin-Elmer gas chromatograph. Per notations accompanying the photograph, the instrument…
This press release announcing the discontinuation of the DU spectrophotometer served as a retrospective of the instrument's development and significance.
The first Beckman Instruments DU Spectrophotometer was developed…
- Author Reilly, Mickey
- Subject Vitamins--Analysis, Deluxe General Incorporated, Spectrophotometer, Toxicology, Forensic sciences, Vitamin A, Scientific apparatus and instruments, United States. National Bureau of Standards, Beckman Instruments, inc., Beckman, Arnold O., Ultraviolet spectroscopy, and Barbiturates--Analysis