Index | Drinking water level | Water treatment level | |||||||
Iiquid | Solid | Liquid | Solid | liquid | Solid | ||||
AL2O3(%)≥ | 10.0 | 29 | 6.0 | 28.0 | 6.0 | 28.0 | |||
Basicity(%) | 40.0-90.0 | 30-95 | 30-95 | ||||||
Water insoluble matter %≤ | 0.2 | 0.6 | 0.5 | 1.5 | 0.4 | 0.2 | |||
PH | 3.5-5.0 | 3.5-5.0 | 3.5-5.0 | ||||||
---- | 2.0 | 5.0 | 3.5 | ||||||
(As)%≤ | 0.0002 | 0.0005 | 0.0015 | 0.0005 | |||||
(Cd)%≤ | 0.0002 | ---- | ---- | 0.001 | |||||
(Cr)%≤ | 0.0005 | ---- | ---- | 0.005 | |||||
(Pb)%≤ | 0.001 | 0.002 | 0.006 | ---- | |||||
(Hg)%≤ | 0.00001 | ---- | ---- | 0.00005 |