Acetaldehyde 100/a, 100 - 1,000 PPM (6726665)
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Acetaldehyde 100/a, 100 - 1,000 PPM, Part# 6726665, 10 Tests
Standard Measuring Range: 100 to 1,000 ppm
Number of Strokes n: 20
Time for Measurement: approx. 5 min
Standard Deviation: ± 15 to 20 %
Color Change: orange brownish-green
Ambient Operating Conditions
Temperature: 0 to 40 °C
Absolute Humidity: 3 to 15 mg H2O / L
Reaction Principle CH3CHO + CrVI CrIII + various oxidation products
The tube does not differentiate between different aldehydes. Ethers, ketones, esters, aromatics and petroleum hydrocarbons are indicated, but with different sensitivities.