Formic Acid 1/a, 1 - 15 PPM, Part # 6722701, 10 Tests

Application Range

Standard Measuring Range: 1 to 15 ppm

Number of Strokes n: 20

Time for Measurement: approx. 3 min

Standard Deviation: ± 10 to 15 %

Color Change: blue violet š yellow

Ambient Operating Conditions

Temperature: 10 to 50 °C

Absolute Humidity: < 30 mg H2O / L

Reaction Principle

HCOOH + pH indicator š 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.