(x, y)

[4]Al (%)

[5]Al (%)

[6]Al (%)

[5]Al + [6]Al (%)

(6, 0)

99

1

~0

1

(4.8, 0.4)

88

12

~0

12

(3.96, 0.66)

80

16

4

20

(3, 1)

79

17

4

21

(1.98, 1.32)

74

20

6

26

(1.2, 1.6)

68

24

8

32

(0, 2)

57

30

13

43