Audited Supplier
| Items | Indicators | Results |
| Assay | ≥98.0% | 98.2% |
| Fe2+ | ≥19.6% | 19.6% |
| Titanium Dioxide | ≤0.50% | 0.27% |
| Water Insoluble | ≤0.10% | 0.04% |
| Pb | ≤10ppm | 3ppm |
| As | ≤5ppm | 1ppm |
| Cd | ≤5ppm | 1ppm |
Ferrous sulfate is used for flocculating and purifying water, and removing phosphate from urban and industrial sewage to prevent eutrophication of water bodies.
(2) Reducing agent
A large amount of ferrous sulfate is used as reducing agent, which mainly reduces chromate in cement.
(3) Colorant
The production of a tannic acid inks and other inks requires ferrous sulfate. Ferrous dye is also used in wood dyed mordant.
B and ferrous sulfate can be used to stain the concrete into yellow rust.
C and woodworking ferrous sulphate make the maple dye silver color.
(4) Analytical Chemistry
Ferrous sulfate can be used as a reagent for chromatographic analysis.
Shipping marks can be customized according to customer requirements
Port of departure: Qingdao/Tianjin
Pallet: Wood pallet/plywood pallet
Q2: Do you have stock?
A: We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.
Q3: What certificates and documents do you offer?
A: The following certificate is available, such as COA, MSDS,ISO, SGS Inspection report, Health Certificate ,FDA, etc.
Q4: Can I get best price from you?
A: Of course. We don't chase excessive profits and always try to give best offer. If you are good at bargaining, you can also enjoy fun of bargaining. Just don't make it too hard!
Q5: How should I pay?
A: We accept T/T and L/C in payment terms.
Q6: Do you provide free sample?
Yes, we can provide free sample if we have in stock, just need you to cover the delivery cost.
