TABLE 3.

Concentration, δ15N, δ18O, and site preference of N2O produced during NO2 reduction in concentrated cell suspensions of Nitrosospira multiformis

ReplicateTime elapsed (min)N2O concn (μM)δ15N-N2O (‰)δ18O-N2O (‰)Site preference (‰)
A7734.2−23.610.7−3.8
A8544.4−23.510.90.5
A8745.1−23.710.10.0
A9846.4−23.59.8−4.0
B3353.2−23.411.51.2
B4797.9−22.010.51.1
B5418.2−21.710.51.5
C2106.2−24.211.50.3
C2808.5−23.911.40.6
C39014.1−23.111.51.9
C46017.4−21.710.91.6
C53020.8−21.511.40.3
    Avg−22.910.80.1
    SD0.60.51.7