Nickel Test Paper (#90730)

This test paper can be used for the determination of nickel in solutions as well as in materials containing nickel (non-destructive testing of alloys). In the presence of nickel ions(Ni²⁺) the white test paper turns red. Interferences caused by iron, cobalt or copper can be circumvented as described in the instructions for use supplied with the paper. Limit of sensitivity: 10 mg/l Ni²⁺ Note: For the determination of nickel in alloys, apply 1 drop nitric acid 3 % to the degreased surface. After about 1 minute absorb the liquid with the test paper. The presence of nickel is indicated by an intense red color. The paper can also be used to test for nickel in consumer goods (zip fasteners, bracelets, buttons etc.).Limit of sensitivity: 0.5 % Ni