Elements | Tuna Fish | Spinach | ||||
---|---|---|---|---|---|---|
Results Obtained | Certified Values | Error | Results Obtained | Certified Values | Error | |
K | - | - | - | 27729 | 29030 | 2.26 |
Ca | 9119 | 9640 | 5.41 | 14483 | 15270 | 4.92 |
Cr | - | - | - | - | - | - |
Mn | 2181 | 2140 | −1.92 | 69.33 | 75.90 | 0.76 |
Fe | 39341 | 43200 | 8.93 | - | - | - |
Ni | 8.44 | 8.00 | −5.50 | - | - | - |
Cu | 3405 | 3420 | 0.44 | 13.30 | 12.20 | −8.98 |
Zn | 4197 | 4180 | −0.41 | - | - | - |
As | 1420 | 1540 | 7.79 | 0.035 | 0.038 | 9.21 |
Se | 1.05 | 1.00 | −4.50 | 0.053 | 0.050 | 6.00 |
Pb | 5443 | 5520 | 1.39 | - | - | - |