Accurate, Cost-Effective Chemical Analysis and Monitoring

Advanced Chemical Sensors, Inc.
Technical Information Sheet

Ammonia Vapor Monitor
Catalog No. K-10


ACS Vapor Monitor can be worn as a badge near the breathing zone to measure personal exposure, or placed in a room to measure area concentration.

Occupational safety standards are based on personal exposure monitoring of each employee who may be exposed to the vapor as a regular part of their job. Periodic monitoring of personnel and room concentrations is recommended.

Exposure Limits: ACGIH OSHA NIOSH
TWA (ppm) 25 50 25
STEL/CEIL (ppm) 35 N/A 35

Sampling Medium: Activated Solid Adsorbent
Method of Analysis: Iron Chromatography
Reference Method: US OSHA Method ID-188
Recommended Sampling Time: 15 minutes to 24 hours
Minimum Level of Quantitation: 0.02 milligrams per sample
(equivalent to 0.5 ppm for an 8 hour period)
Interferences: No interferences are known.
Effect of Temperature: Less than 10% for each 10 °C variation from 24 °C
Effect of Humidity: No effects detected at 30% RH to 92% RH.
Overall System Accuracy: 16% at 50 ppm for 8 hours
22% at 35 ppm for 15 minutes
Storage Conditions: Maximum shelf life one year. No special storage requirements. Best to store away from source of ammonia vapor.
Recommended Holding Time: Two weeks prior to analysis.
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