3 nitrite + 2 H(+) <=> 2 nitric oxide + nitrate + H2O
3 nitrite + 2 h(+) <=> 2 nitric oxide + nitrate + h2o
3 nitrite + 2 H(+) <=> 2 nitric oxide + nitrate + H2O
3 nitrite + 2 h(+) <=> 2 nitric oxide + nitrate + h2o