Chloroformates 0.2/b, 0.2 - 10 PPM, Part # 6718601, 10 Tests 

Application Range

Standard Measuring Range: 0.2 to 10 ppm

Number of Strokes n: 20

Time for Measurement: approx. 3 min

Standard Deviation: ± 20 to 30 %

Color Change: white š yellow

Ambient Operating Conditions

Temperature: 10 to 40 °C

Absolute Humidity: 5 to 15 mg H2O / L

Reaction Principle

CICOOR + 4-(4-nitrobenzyl)-pyridine š yellow reaction product

Cross Sensitivity 

Methyl, ethyl and isopropylchloroformate are indicated with approximately the same sensitivity. It is impossible to differentiate them. Petroleum hydrocarbons, aromatics, alcohols and ketones in the TLV range do not affect the indication. It is impossible to measure chloroformate in the presence of phosgene.