Sample | Elements | ||||
Na (wt%) | K (wt%) | Si (wt%) | Cr (wt%) | O (wt%) | |
NCSBW | 2 | - | 35 | 7 | 56 |
NCSAW | 2 | - | 37 | 3 | 58 |
KCSBW | - | 1 | 36 | 6 | 57 |
KCSAW | - | 1 | 38 | 2 | 59 |