high quality agriculture use ferrous sulfate made in China 7782-63-0
USD $70 - $85 /Ton
Min.Order:3 Tons
Zibo Hangzheng Chemical Trading Co., Ltd.
Test item | Specification | |
Reagent grade | Pharmaceutical grade | |
Appearance | Conform | Conform |
Assay /% | ≥99.0-101.0 | ≥98.0-101.0 |
Water insoluble /% | ≤0.005 | ≤0.02 |
Chloride (Cl)/% | ≤0.001 | ≤0.005 |
N/% | ≤0.001 | - |
Phosphate (PO4)/% | ≤0.0005 | ≤0.002 |
Arsenic (As)/% | ≤0.0002 | ≤0.0002 |
Manganese (Mn)/% | ≤0.05 | - |
Ferric (Fe)/% | ≤0.02 | ≤0.10 |
Copper (Cu)/% | ≤0.002 | ≤0.01 |
Zinc (Zn)/% | ≤0.005 | ≤0.02 |
Lead (Pb)/% | ≤0.002 | ≤0.005 |
Ammonia not sediment /% | ≤0.05 | ≤0.2 |
fertilizer | can effectively improve soil, move moss and lichen |
Colorant | tain concrete and some limetones and sandstones a yellowish rust color |
Water Treatment | applied for the purification of water by flocculation and for phosphate removal in municipal |
Q 1: What's your main product?
A 1: Our company specializes in Magnesium Sulfate , magnesium chloride , activated clay and calcium chloride all grade etc.
Q2: How do you control the quolity?
A2: We do quality control by the factory testing department. We also can do FDA,BV, SGS or any other Third-party testing.
Q3: How about your packing?
A3:25kg /PP bag,1000kg/bag 20-25 tons/20 fcl and according to the customer's requirement .
Q4: how long time you can make the shipping?
A4: We can make the shipping within 5-10day after confirming the order.
Q5:why you would like to establish business relations with me?
A5:Our company offer high quality products and reasonable price to customers .All products before leaving factory must be strict inspection .