称样量(g)

weighing sample (g)

测定结果(%)

determination result (%)

标准偏差

standard deviation

0.5000

0.048

4.3%

0.137

−3.5%

0.244

−2.0%

1.0000

0.043

−6.5%

0.139

−2.1%

0.248

−0.4%

1.7000

0.047

2.2%

0.139

−2.1%

0.246

−1.2%

1.9000

0.044

−4.3%

0.140

−1.4%

0.246

−1.2%

2.0000

0.045

−2.2%

0.142

0.0%

0.245

−1.6%

2.2000

0.042

−8.7%

0.139

−2.1%

0.244

−2.0%

2.4000

0.043

−6.5%

0.138

−4.2%

0.243

−2.4%