Certificate of formula of ferrous sulfate heptahydrate
Date: MAR. 28 2017
COMMODITY: Ferrous Sulphate Heptahydrate
MANUFACTURER: Rech Chemical Co. LTD
ADDRESS: Yue Lu District, Changsha, Hunan, China
FeSO4.7H2O
|
98%
|
As
|
0.0002%
|
Heavy Metal(Based on Pb)
|
0.002%
|
Cd
|
0.0005%
|
Insloubles in water
|
0.5%
|
PH
|
3-4
|
Appearance
|
Blue-Green Powder
|
RECH CHEMICAL CO. LTD
2017-3-28
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