Description
Description
o-Phthalaldehyde Badge
- AKA – o-Phthaldialdehyde, OPA, o-Phthalic dixarboxaldehyde
- CAS# – 643-79-8
- Analytical Method – OSHA 64
- Absorbent – Silica coated with DNPH
- Minimum Level of Quantitation – 0.002 PPM for 8 Hours / 0.027 PPM for 15 Minutes / 0.007 PPM for 24 Hours
- Recommended Sampling Time – Workplace: 15 minutes to 8 hours / Indoor Air: 24 hours – 48 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
- Accuracy – Meets or exceeds OSHA accuracy requirements of +/- 25%
- Storage Conditions – Store at room temperature
- Recommended Holding Time – Monitors need to be returned to Lab within two weeks after sampling.