| (a) NH4+ | (b) NO2− | (c) NO3− |
| |||||||||||||||||||||||
| 0 h | 1 h | 3 h | 6 h | 9 h | 24 h | 48 h | 96 h | 0 h | 1 h | 3 h | 6 h | 9 h | 24 h | 48 h | 96 h | 0 h | 1 h | 3 h | 6 h | 9 h | 24 h | 48 h | 96 h | kDa | ||
NH4+ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 38.1 | 39.9 | 19.1 | 10.1 | 10.0 | 39.9* | 29.6* | 27.5# | 100 | 44.5 | 19.8 | 35.8 | 0 | 0 | 0 | 0 | 58 | ||
0 | 0 | 0 | 100* | 100* | 100* | 100* | 100* | 61.9 | 60.1 | 80.9 | 89.9 | 90.0 | 60.1* | 70.4* | 72.5# | 0 | 55.5 | 80.1 | 64.2 | 100* | 100* | 100* | 100* | 44 | |||
NO2− | 0 | 0 | 0 | 39.3 | 35.0 | 17.4 | 22.9 | 41.4 | 41.0 | 37.3 | 63.8 | 63.3 | 52.0 | 61.2 | 67.1 | 59.1 | 86.9 | 63.2 | 38.9 | 37.6 | 20.5 | 28.8 | 58.6 | 54.3 | 58 | ||
100* | 100* | 100* | 60.6 | 64.9 | 82.6 | 77.0 | 58.5 | 58.9 | 62.7 | 36.2 | 36.7 | 47.9 | 39.0 | 32.8 | 40.8 | 13.1 | 36.8 | 61.1 | 62.3 | 79.4 | 71.2 | 41.4 | 45.7 | 44 | |||
NO3− | 0 | 0 | 73.4 | 80.9 | 79.5 | 77.2 | 76.4 | 63.3 | 50.7 | 50.5 | 83.4 | 81.6 | 83.4 | 78.5 | 72.4 | 63.3 | 63.2 | 63.1 | 83.8 | 90.0 | 85.9 | 83.4 | 79.9 | 62.4 | 58 | ||
100* | 100* | 26.6 | 19.1 | 20.5 | 22.8 | 23.6 | 36.7 | 49.3 | 49.5 | 16.6 | 18.4 | 16.5 | 21.4 | 27.6 | 36.7 | 36.8 | 36.9 | 16.2 | 9.9 | 14.0 | 16.6 | 20.0 | 37.6 | 44 | |||
N-free | 0 | 0 | 100 | 100 | 100 | 100 | 100 | 100 | 40.1 | 49.0 | 84.7 | 66.4 | 64.1 | 81.9 | 77.4 | 82.8 | 81.8 | 100 | 100 | 100 | 100 | 100 | 100 | 71.1 | 58 | ||
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59.9 | 50.9 | 15.3 | 33.6 | 35.9 | 18.1 | 22.6 | 17.2 | 18.2 | 0 | 0 | 0 | 0 | 0 | 0 | 28.9 | 44 | |||