Chlortesmo (Box of 200 strips, 20 x 70mm)

• 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

• Color reaction: pale-yellow to blue

• Limit of sensitivity: 1 mg/l Cl2