Element | Industriequalität | |
Erste Klasse | Standard | |
Na2HPO4·12H20, %≥ | 97,0 | 96,0 |
Sulfat, (SO4) %≤ | 0,70 | 1,20 |
Oxid, (Cl)%≤ | 0,05 | 0,10 |
Wasser unlöslich, %≤ | 0,05 | 0,10 |
Arsen(As), %≤ | 0,005 | 0,005 |
Fluorid, (F)%≤ | 0,05 | 0,05 |
PH (10g/l) | 9,0±2 |