样品

含量(μg/L)

平均值(μg/L)

RSD (%)

1#

45.2, 46.5, , 45.4, 47.6, 45.8, , 45.3

46.0

2.0

2#

146.6, 149.7, 150.1, 155.3, 158.2, 148.8

151.4

2.9

3#

286.7, 285.0, 288.6, 280.1, 289.3, 283.5

285.5

1.2