Audited Supplier
| Product Name: | Ferrous Sulfate Heptahydrate | |
| Item | Standard (%) | Result (%) |
| FeSO4·7H2O ≥ | ≥98 | 98.6 |
| Fe (%) ≥ | ≥19.5 | 19.6 |
| As(%)≤ | 0.0002 | 0.0002 |
| Pb(%)≤ | 0.002 | 0.002 |
| WATER INSOLUBLE | ≤0.5% | 0.35% |
| TITANIUM DIOXIDE | ≤0.75% | 0.68% |
| HEAVY METAL | ≤0.0001% | 0.0001% |
| FREE ACID | ≤1% | 0.56% |
| CONCLUSION | QUALIFIED | |
Item | Ferrous Sulphate Heptahydrate FeSO4 7H2O | Ferrous Sulphate Monohydrate FeSO4 H2O |
Purity %min | 98 | 99 |
Appearance | Green crystal or granular | Greywhite powder |
Fe % min | 19.7 | 30 |
Pb ppm max | 20 | 20 |
As ppm max | 2 | 2 |
Cd ppm max | 5 | 5 |
(1)Water treatment
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.Ferrous sulfate can be used to stain the concrete into yellow rust, and woodworking ferrous sulphate make the maple dye silver color.
(4) Analytical Chemistry
Ferrous sulfate can be used as a reagent for chromatographic analysis.
PACKING:
1.Packed in plastic-lined woven bags of 25Kg net each, 27MT per 20FCL.
3.As the customer's request.
STORAGE
Store in a cool and ventilated warehouse. Keep away from kindling and heat source. Protect from direct sunlight. The package must be sealed against moisture. It shall be stored separately from oxidants, alkalis, etc., and shall not be mixed. The storage area shall be equipped with appropriate materials to contain the leakage.
Our Vision:
To be a leading Asian Chemicals Company, we providing to our customer through High Quality Products, Services, Support & Professionals that benefits customers & environment.
Our Mission:
Constantly seeking & applying Environmental Friendly Solutions to meet challenges in the chemical field, to make our environment Cleaner, Healthier, Safer & Sustainable.
Q1: Can I get samples?
A: Yes, we can supply free sample, you pay for the freight charge only.
Q2: How to pay?
A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, are ok.
Q3: How is your MOQ?
A: Normally speaking, our MOQ is 1 container. But we can also accept less quantity on the condition that sample charge is100% paid.
Q4: How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
Q5: Do you have any other chemicals?
A: Yes, We can provide kinds of additives and flocculating agent, such as PAC,PAM,Aluminum Sulfate and Citric acid,Soda Ash,Soda Flake, etc .....
