Certificate of formula of ferrous sulfate heptahydrate
Publish Time: 2017-03-30 Origin: Rech Chemical Co. LTD
CERTIFICATE OF FORMULA
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