硒化氢 Detection
Formula H₂Se · CAS 7783-07-5 · 剧毒 / 易燃
Hazards & Toxic Symptoms
Hydrogen selenide is a colorless, highly toxic gas with a rotten radish odor, more toxic than H₂S. It can damage the liver, kidneys, and nervous system.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 0.1 mg/m³ |
|---|---|
| IDLH (Immediately Dangerous to Life or Health) | 1 ppm |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Semiconductor gallium arsenide doping
- Photovoltaic CIGS thin film
- Chemical synthesis
Detection Principle / Recommended Sensors
Electrochemical sensor
Common Range：0-1 ppm
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Matching product categories: 硒化氢 detector 硒化氢 analyzer