| Bottle No. |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
| NIV (mgL-1) |
1 |
2.5 |
5 |
10 |
25 |
50 |
100 |
250 |
500 |
1000 |
1500 |
| DON (mgL-1) |
1 |
2.5 |
5 |
10 |
25 |
50 |
100 |
250 |
500 |
1000 |
1500 |
| T-2 (mgL-1) |
0.2 |
0.5 |
1 |
2 |
5 |
10 |
20 |
50 |
100 |
200 |
300 |
| HT-2 (mgL-1) |
0.2 |
0.5 |
1 |
2 |
5 |
10 |
20 |
50 |
100 |
200 |
300 |
| ZEA (mgL-1) |
1 |
2.5 |
5 |
10 |
25 |
50 |
100 |
250 |
500 |
1000 |
1500 |
| VEL (internal standard) (mgL-1) |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
| ZAN (internal standard) (mgL-1) |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
|
| All solutions were prepared in acetonitrile/water/acetic acid (5/94/1, v/v/v) |
| Table 2: Composition of working solutions delivered to the participant laboratories. |
