Inexpensive near-infrared diode-laser-based detection system for ammonia.
An inexpensive and portable ammonia monitoring system based on near-infrared GaAs-type diode lasers is described. The minimum detectable ammonia concentration is 2 parts in 10(6) at 100 Torr (with 1-s response time and 1-m absorption path length).
Fehér
M
M
Martin
P A
PA
Rohrbacher
A
A
Soliva
A M
AM
Maier
J P
JP