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Ammonia

Gas Name: 
Ammonia
Chemical Formula: 

NH3 

Synonyms: 
Anhydrous Ammonia, R717

Product Uses, Sources & Applications

Ammonia is used in its gaseous, liquefied, and aqueous forms in a number of applications including:

  • Refrigerant (R717) – used extensively in food processing applications and ice rink applications
  • A main component in the production of commercial fertilizer
  • Used extensively in the production of commercial and household cleaning products
  • Pharmaceutical production
  • Papermaking:  pulping and coating
  • Rubber production

Hazards

Toxicity
Short Term (15-minute STEL*):
35
 ppm
Long-term (8-hr TWA*):
25
 ppm
*Based on OSHA regulation. Always consult local regulations directly.
Flammability
Lower Explosive Limit (LEL):
15% by volume
NIOSH Pocket Guide:
View pocket guide

Physical Properties

Appearance and Odor:
Colorless gas with an irritating, pungent odor
Relative Density (air = 1.0):
0.597

Recommendations

Sensor Type:
Electrochemical Diffusion Type
Standard Range:
0-50 or 0-100 ppm
Standard Trip Points:
25 ppm, 35 ppm
Recommended Sensor Mounting Height:
Ceiling level, around probable source of leak.

Additional Notes on Sensor Mounting Height

If there is pressurized ammonia gas being used in the application, sensors should be placed near a potential leak.

How can Armstrong Monitoring help you?

Contact Us
Armstrong Monitoring
215 Colonnade Road South
Ottawa, Ontario, Canada
K2E 7K3
Toll Free: 
1 800 465 5777
Armstrong Monitoring
215 Colonnade Road South
Ottawa, Ontario, Canada
K2E 7K3
Toll Free: 
1 800 465 5777
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