Table 4.
Determination of sodium and potassium in biscuits
| Biscuits (mg/100 g) | |||||
|---|---|---|---|---|---|
| Sample No. | Reported value (Na) | Calculated value (Na) | Reported value (K) | Calculated value (K) | Na:K ratio |
| BS1 | 350 | 410** | NA | 252 | 1.63 |
| BS2 | 350 | 390** | NA | 357 | 1.09 |
| BS3 | 240 | 394** | NA | 356 | 1.11 |
| BS4 | 110 | 240** | NA | 412 | 0.58 |
| BS5 | 368 | 520** | NA | 194 | 2.68 |
| BS6 | 330 | 421** | NA | 252 | 1.67 |
| BS7 | 340 | 367** | NA | 357 | 1.03 |
| BS8 | 230 | 314** | NA | 433 | 0.73 |
| BS9 | 130 | 230** | NA | 423 | 0.54 |
| BS10 | 318 | 510** | NA | 431 | 1.18 |
| BS11 (salted) | 513 | 810** | NA | 453 | 1.79 |
| BS12 (salted) | 750 | 865** | NA | 675 | 1.28 |
| BS13 (salted) | NA | 989 | NA | 675 | 1.47 |
| BS14 (salted) | NA | 1123 | NA | 765 | 1.47 |
| BS15 (salted) | NA | 902 | NA | 512 | 1.76 |
| BS16 (salted) | NA | 1031 | NA | 534 | 1.93 |
| BS17 (salted) | NA | 1321 | NA | 564 | 2.34 |
| BS18 (salted) | NA | 946 | NA | 589 | 1.61 |
| BS19 (salted) | NA | 850 | NA | 665 | 1.28 |
| BS20 (salted) | NA | 912 | NA | 654 | 1.39 |
Note: ** indicates significant difference, while * indicates non-significant difference.