sentence: Some people get headaches when they eat nitrites.
sentences_before: It is used in meat like ham to preserve it. The nitrites are disinfecting, which helps preserve the meat.
sentences_after: It is used to make other chemicals and to get rid of sodium azide. It also can be used when someone is poisoned by cyanide.
concept_name: people
headings: Sodium nitrite Uses
categories: Sodium compounds Nitrogen compounds