Table 2 Potassium concentrations and isotopic compositions of angrites analyzed in this study

From: Potassium isotope heterogeneity in the early Solar System controlled by extensive evaporation and partial recondensation

Sample

[K]

δ41K

2 SD

95% c.i.

N

Meteorite mass

Dissolved mass

 

(ppm)

(‰)

(‰)

(‰)

 

(g)

(mg)

NWA 7203

36.7

−0.74

0.03

0.03

6

107

82.8

NWA 12320

67.8

−0.36

0.06

0.03

6

4460

124.2

Sah 99555-1

45.3

−0.56

0.02

0.03

6

2710

125.3

Sah 99555-2

 

−0.57

0.04

0.03

6

 

133.9

  Wtd average

 

−0.56

 

0.02

   

NWA 12774

16.4

−1.18

0.03

0.03

6

454

127.2

NWA 12004-1

109.1

−0.41

0.06

0.04

7

183

123.8

  Duplicate

 

−0.43

0.03

0.02

7

  

NWA 12004-2

 

−0.46

0.06

0.05

6

 

62.5

  Duplicate

 

−0.45

0.05

0.04

6

  

  Wtd average

 

−0.44

 

0.02

   
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