Quick and easy determination of free halogens
This test paper allows the quick and easy detection of free halogens (chlorine, bromine, iodine). Free nitrous acid HNO2 (not nitrite ions) interferes, but can be destroyed by addition of amidosulphuric acid.
Product data and ordering information
Type Qualitative test paper
Presentation Pack of 200 strips 20×70 mm
pale-yellow → blue
Limit of sensitivity
1 mg/l Cl2