过氧化氢 Detection
Formula H₂O₂ · CAS 7722-84-1 · 强氧化性 / 刺激性
Hazards & Toxic Symptoms
Hydrogen peroxide vapor is colorless and acts as a strong oxidizer. The vapor irritates the eyes and respiratory tract; high-concentration (>30%) liquid can cause blistering when in contact with the skin. It can explode when decomposed by heat.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 1.5 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 75 ppm |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- VHP sterilization in hospitals/food industry
- Paper bleaching
- Textile printing and dyeing
- Electronic-grade cleaning
- Propellant
Detection Principle / Recommended Sensors
Electrochemical sensor
Common Range：0-10 ppm
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