Phosphine 50/a, 50 - 1,000 PPM, (CH21201)
Regular price $86.00
Shipping calculated at checkout.
Phosphine 50/a, 50 - 1,000 PPM, Part # CH21201, 10 Tests
Standard Measuring Range: 50 to 1,000 ppm
Number of Strokes n: 3
Time for Measurement: approx. 2 min
Standard Deviation: ± 10 to 15 %
Color Change: yellow brown black
Ambient Operating Conditions
Temperature: 0 to 50 °C
Absolute Humidity: < 40 mg H2O / L
PH3 + Au3+ Au (colloidal)
Arsine and antimony hydride are indicated, but with different sensitivities. Hydrogen sulfide, mercaptans, ammonia, carbon monoxide, sulfur dioxide and hydrochloric acid in the TLV range do not interfere.
Extension of the Measuring Range
Using n = 10, multiply the reading by 0.3; the range of measurement is 15 to 300 ppm