Editorial Review Safely and quickly test any metal for nickel content. Nickel Alert (dmg spot test) is sensitive enough to detect the presence of free nickel at a level as low as 10 ppm (parts/million)-a threshold below which only individuals with the most pronounced sensitivity to nickel would experience a reaction.
Features 1) Dimethylglyoxime (dmg) spot test for nickel 2) Safe, fast, accurate nickel test will detect even minute amounts of nickel 3) Test any metal item for nickel; detects free nickel at a level as low as 10 parts per million 4) Convenient two-pack 5) One bottle allows for over 100 positive tests