Instrument: Spectrophotometer

Dataset: 
Instrument: 
Instrument Short Name: Spectrophotometer
(http://vocab.nerc.ac.uk/collection/L05/current/LAB20/)
Instrument Description:

An instrument used to measure the relative absorption of electromagnetic radiation of different wavelengths in the near infra-red, visible and ultraviolet wavebands by samples.

PI supplied instrument name: AJN Scientific f-2500 Fluorescence Spectrophotometer
Dataset-specific description

Ammonium concentrations were measured by derivatization with orthophthaldialdehyde (OPA) and fluorometric detection on an AJN Scientific f-2500 Fluorescence Spectrophotometer.