Description
Application Range:
- Standard Measuring Range: 0.05 to 3 ppm
- Number of Strokes n: 20
- Time for Measurement: Approx. 6 min
- Standard Deviation: ± 15 to 20 %
- Color Change: White → Greyish-Violet
Ambient Operating Conditions:
- Temperature: 0 to 40 °C
- Absolute Humidity: max. 40 mg H2O / L
Reaction Principle:
- AsH3 + Au3+ → Au (colloidal)
Cross Sensitivity:
- Phosphine and antimony hydride are indicated as well, but with different sensitivities.
- Hydrogen sulfide, mercaptans, ammonia and hydrogen chloride in the TLV range do not affect the indication.
- Carbon monoxide and sulfur dioxides in the TLV range also do not affect the indication.
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