Allergic reactions to nickel in some gadgets have been noticed for a while. Now, a medical journal report suggests a possible link between rashes and exposure to nickel in Apple's iPads.

Nickel is a common cause of allergic contact dermatitis and is associated with metal buttons and snaps on blue ... The metal buttons were tested for nickel with a dimethylglyoxime test kit, ...

A snap on a child's toy purse was found to contain nickel by dimethylglyoxime testing. Of note, nickel sensitivity has been documented in infants as young as 6 months. [ 2 ] ...

In addition to jewelry, nickel is also frequently found in metal eyeglass frames: a study that used the dimethylglyoxime test to detect leaching of nickel from used eyeglass frames found that 47 ...

An Application of Paper Electrophoresis to the Examination of Completeness of Reaction and Purification in the Synthesis of Radioactive Compounds ...

Complexes and preipitates of nickel (II) are formed by adding ammonium hydroxide, ethylenediamine, and dimethylglyoxime to dilute solutions of Ni2+ in beakers. Cyanide salts and solutions are ...