Hydroquinone Monitor (OV-56)


SKU: OV-56 Category:

Compass Cryogenics 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) N/A 2 mg/m3 N/A

Sampling Medium: 2,4-DNPH Coated High-Purity Silica Gel
Method of Analysis: High Pressure Liquid Chromatography
Reference Method: NIOSH Method 5004
Recommended Sampling Time: 15 minutes to 8 hours
Minimum Level of Quantitation: 0.1 mg/m3 for 8 hours
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 2.0 mg/m3 for 8 hours
Storage Conditions: Maximum shelf life six months. No special storage is required. Refrigeration will extend shelf life.
Recommended Holding Time: Two weeks prior to analysis.


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