Diameter 30+/-0.5mm
Thickness10+/-0.5mmMaterial 99% Nickel
Testing Standards
BS-EN71-1 clause 8.34.3.1,ISO8124-1
Note
1.Independent carton packaging
2.In Stock
What is nickel test?
The nickel test paper can detect 10 mg/L (10 parts per million) or more nickel ions in solution. In an ideal spot test, only one metal element produces the colour change. In general, however, other metal elements may also cause a similar colour change.