Many nitrite test kits have the potency to suffer from amine interference resulting in toxic nitrite not being detected.

However, simultaneously monitoring nitric oxide, carbon monoxide,hydro-peroxides, nitrites, nitrates, pentane and ethane in the breath, wouldallow a much more definitive diagnosis of asthma.

Methods The nitrite was detected from samples by N-Naphthylethylenediamine Dihydrochloride.