Categoriae |
Gradus Industrialis |
Ferrum Gradus |
Gradus Ceramicae |
Fluorescentia gradus |
Optica Gradus |
alta Puritas |
||
Contentum non minus quam (%) |
93.0 |
96.0 |
98.0 |
99.0 |
99.8 |
99.99 |
||
Contentum impuritatum non plusquam (%) |
NA |
0.05 |
0.01 |
0.002 |
||||
k |
0.05 |
0.01 |
0.002 |
|||||
CA |
||||||||
MG |
0.5 |
0.1 |
0.05 |
0.05 |
0.02 |
|||
Si |
1% |
0.5 |
0.1 |
0.05 |
0.01 |
0.002 |
||
SO4 |
0.5 |
0.1 |
0.05 |
0.03 |
0.01 |
0.005 |
||
fe |
0.1 |
0.05 |
0.05 |
0.001 |
0.0005 |
0.0001 |
||
Cl |
0.1 |
0.1 |
0.05 |
0.05 |
0.01 |
0.001 |
||
Al |
0.1 |
0.1 |
0.05 |
0.02 |
0.002 |
0.001 |
||
Cu |
0.05 |
0.02 |
0.002 |
0.001 |
0.0005 |
0.0002 |
||
Metalla gravis (Pb) |
0.05 |
0.02 |
0.002 |
0.001 |
0.0005 |
0.0002 |