염화 제 2 철 6 수화물 99

AR
HG/T3474-2000

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%