Draeger 6718501 Dimethyl Formamide 10/b Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 10 to 40 ppm
• Number of Strokes n: 10
• Time for Measurement: Approx. 3 min
• Standard Deviation: ± 20 to 30 %
• Color Change: Yellow → Grey Blue

Ambient Operating Conditions:

• Temperature: 15 to 35 °C
• Absolute Humidity: 3 to 12 mg H2O / L

Reaction Principle:

• a) Dimethylformamide + NaOH ä NH3
• b) NH3 + pH-indicator → greyblue reaction product

Cross Sensitivity:

• Other basic substances, e.g. ammonia, organicsamines and hydrazine are also indicate, however, with differing sensitivity.