معيار المصنع
The examination iterm |
AR |
Factory standard |
Factory standard |
Factory standard |
(Appearance) |
Yellow brown |
Yellow sand |
Yellow hemisphere |
|
(FeCl3.6H2O) |
≥99.0% |
≥96.0% |
≥99.5% |
≥99.0% |
(Insolubles in water) |
≤0.01% |
≤0.01% |
≤0.01% |
≤0.01% |
(HCl) |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.20% |
(SO42-) |
≤0.01% |
≤0.01% |
≤0.01% |
≤0.01% |
(NO3-) |
≤0.01% |
≤0.01% |
≤0.01% |
≤0.01% |
(PO43-) |
≤0.01% |
≤0.01% |
≤0.01% |
≤0.01% |
(Mn) |
≤0.02% |
≤0.004% |
≤0.004% |
≤0.02% |
(Cu) |
≤0.005% |
≤0.002% |
≤0.002% |
≤0.005% |
(Fe2+ ) |
≤0.002% |
≤0.002% |
≤0.002% |
≤0.002% |
(Zn) |
≤0.003% |
≤0.002% |
≤0.002% |
≤0.005% |
(As) |
≤0.002% |
≤0.005% |
≤0.005% |
≤0.001% |
(Unprecipitate by NH3) |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.30% |
(Pb) |
|
≤0.001% |
≤0.001% |
≤0.001% |
(Cr) |
|
≤0.004% |
≤0.004% |
|
(Al) |
|
≤0.001% |
≤0.001% |
|
(Ni) |
|
≤0.002% |
≤0.002% |
|
(H2O) |
|
≤3% |
|
|
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