Sample code

Distance(km)

SiO₂

K₂O

Na₂O

K₂O + Na₂O

TG-1

30

81.10

2.468

1.913

4.381

TG-4

34

83.52

2.583

1.627

4.210

TG-7

38

81.90

2.645

1.915

4.561

TG-10

41

81.39

1.605

1.909

3.513

TG-13

45

82.07

1.570

1.616

3.186

TG-15

53

83.99

1.234

1.534

2.768

Average

40.17

82.33

2.018

1.752

3.770