Draeger 8103251 Hydrogen Fluoride 0.5/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 0.5 to 15 ppm / 10 to 90 ppm
• Number of Strokes n: 10 / 2
• Time for Measurement: Approx. 2 min / 25 sec
• Standard Deviation: ± 20 to 30 %
• Color Change: Blue Violet → Yellow

Ambient Operating Conditions:

• Temperature: 10 to 40 °C
• Absolute Humidity: 30 to 80 %

Reaction Principle:

• HF + pH indicator → yellow reaction product

Cross Sensitivity:

• Other mineral acids, e.g. hydrochloric acid or nitric acid, are indicated.
• Alkaline gases, e.g. ammonia, causes minus results or prevents an indication.