Draeger, Tube, Formic Acid 1/a 1-15 ppm

Availability: Call for Availability
Product Code: 6722701

Draeger Tube - Formic Acid 1/a
Order No. 67 22 701

Application Range
Standard Measuring Range 1 to 15 ppm
Number of Strokes n: 20
Time for Measurement: approx. 3 minutes
Standard Deviation: ± 10 to 15%
Color Change: blue violet to yellow
Ambient Operating Conditions
Temperature: 10 to 50° C ~ 50 to 122° F
Absolute Humidity: < 30 mg H2O / L
Reaction Principle
HCOOH + pH indicator  yellow reaction product
Cross Sensitivity
It is impossible to measure formic acid in the presence of other acids. Organic acids are indicated by the same color change, but partly with different sensitivity. Mineral acids, e.g. hydrochloric acid are indicated with different sensitivity and by red color.

View the entire Draeger Tubes & CMS Handbook