Test Paper for Qualitative Deter

• Allows the quick and easy detection of the pH of milk

• Used as a screening test on mastitis. Milk of infected cattle must not be sold

• All four tits of the udder require testing. A drop of milk is placed on the test zone. For

• 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

• Allows the quick and easy detection of water and water vapor

• On contact with water, the paper changes color from white to pink / lavender. The reaction is not reversible. Even after drying, the contact with water can clearly be proved <

• Allows the quick and easy detection of Chromate (CrO43-)

• Cr(III) ions must be converted to chromate prior to the detection

• For non-destructive testing of materials, apply a drop of acid solution (1 part hydrochloric acid 37 % +