玉米粉中伏马毒素FB1基体标准物质的评价

牛欣宁,王步军

Evaluation of matrix reference material of Fumonisins FB1 in corn flour

Xin-Ning NIU,Bu-Jun WANG

表3 玉米粉中伏马毒素FB1长期稳定性检验结果

Table 3 Long-term stability test results of Fumonisins FB1 in corn flour (μg kg^-1)

温度 Temperature	时间(月) Time (month)	测定值Estimated value			平均值 Mean	斜率 b₁	临界值 t_0.95,_n_-2×s(b₁)	结论 Conclusion
温度 Temperature	时间(月) Time (month)	样品1 Sample 1	样品2 Sample 2	样品3 Sample 3	平均值 Mean	斜率 b₁	临界值 t_0.95,_n_-2×s(b₁)	结论 Conclusion
4℃	0	1443.21	1527.20	1401.19	1457.20	-20.86	31.60	稳定 Stabilization
	1	1481.61	1527.86	1525.53	1511.67
	2	1368.36	1430.24	1428.94	1409.18
	4	1442.54	1422.36	1477.85	1447.58
	6	1389.45	1334.99	1283.45	1335.96
-18℃	1	1468.15	1382.05	1450.64	1433.62	-10.27	31.40	稳定Stabilization
	2	1498.44	1526.57	1531.25	1518.75
	4	1407.69	1372.59	1405.98	1395.42
	6	1457.35	1381.64	1398.07	1412.35