U (微克/克)

Th (微克/克)

K₂O (%)

Pb (微克/克)

标准值

测定值

标准值

测定值

标准值

测定值

标准值

测定值

GBW07401

3.3 ± 0.6

3.0 ± 0.3

11.6 ± 1.1

11.5 ± 0.5

2.59 ± 0.06

2.58 ± 0.06

98 ± 8

101 ± 4

GBW07402

1.45 ± 0.4

1.42 ± 0.1

16.6 ± 1.2

16.9 ± 1.1

2.54 ± 0.07

2.52 ± 0.06

20.2 ± 3.3

19.8 ± 1.1

GBW07307

3.5 ± 0.5

3.4 ± 0.1

12.6 ± 1.5

12.6 ± 0.2

3.54 ± 0.08

3.54 ± 0.07

350 ± 17

354 ± 8

GBW07309

2.6 ± 0.6

2.4 ± 0.1

12.4 ± 1

12.2 ± 0.7

1.99 ± 0.08

2.02 ± 0.02

23 ± 4

24 ± 2