Item #: 6718501
MFG: Draeger

Dimethyl Formamide Detection Tubes 10/b (10 - 40 ppm)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes

Standard Measuring Range10 to 40 ppm
Number of Strokes (n)10
Time for Measurementapprox. 3 min.
Standard Deviation±20 to 30 %
Colour Changeyellow ─> blue grey
Temperature15 to 35° C
Absolute Humidity3 to 12 mg H2O / L
Reaction Principlea) Dimethylformamide + NaOH ─> NH3
b) NH3 + pH-indicator > blue reaction product
Cross SensitivityIt is not possible to measure dimethyl
formamide in the presence of other basic
substances such as organic amines, ammonia
and hydrazine.