1. sulfamate nickel: upper respiratory tract irritation, skin or eye contact may cause burns, oral burning mouth and digestive tract.

2. nickel sulfate: after inhaling irritating to the respiratory tract. can cause symptom of asthma and pulmonary eosinophils can cause bronchitis. eye irritation. skin contact may cause dermatitis and eczema, often accompanied by intense itching, known as the "nickel itch". a large number of oral causes nausea, vomiting and dizziness.