CERTIFICATE OF ANALYSIS
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Product Name
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EDTA Ferric Sodium
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CAS No.
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Items
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Specifications
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Results
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Iron content
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12.5~13.5%
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13.46%
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EDTA assay
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65.5-70.5%
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68.23%
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NTA assay
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≤0.1%
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<0.1%
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PH value
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3.5~5.5
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4.21
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Water insoluble
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≤0.1%
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0.05%
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Lead
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≤1mg/kg
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0.01mg/kg
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Ars enic
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≤1mg/kg
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0.03mg/kg
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Conclusion
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Conformed with the requirements of GB22557-2008
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product information:
Items | EDTA | EDTA-2Na | EDTA-4Na | EDTA-CaNa2 | EDTA-CuNa2 | EDTA-FeNa | EDTA-MgNa2 | EDTA-MnNa2 | EDTA-ZnNa2 |
Appearance | White crystal powder | White crystal powder | White crystal powder | White crystal powder | Blue crystal powder | Light yellow or brown powder | White crystal powder | Light pink crystal powder | White crystal powder |
Content | ≥99% | ≥99.0% | ≥99.5% | ≥98% | - | ≥99.0% | - | - | - |
Heavy Metal(Pb) | ≤0.001% | ≤0.001 | ≤0.001% | ≤0.001% | ≤0.001% | ≤0.001% | ≤0.001% | ≤0.001% | ≤0.001% |
Ph Value | 2.8-3.0 | 4.0-5.0 | 10.5-11.5 | 10.5-11.5 | 6.0-7.0 | 3.5-5.5 | 6.0-7.0 | 6.0-7.0 | 6.0-7.0 |
Company Information
FAQ
Q: How to start orders or make payments?
A:You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly. for payment , can also be by western union ,money gram ,bitcoin ,that is very easy
Q: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q: What's your MOQ?
A:For the high value product, our MOQ starts from 1g and generally starts from 10gs. For other low price product, our MOQ starts from 100g and 1kg.
Q: Is there a discount?
A: Yes, for larger quantity, we always support with better price.
Q:How do you treat quality complaint?
First of all, our quality control will reduce the quality problem to near zero. If there is a quality problem caused by us, we will send you free goods for replacement or refund your loss.
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Q:what is the shipping way ?
A: for small order ,we ship by air express ,like Fedex, TNT,DHL,EMS ,
for large order ,we can send by air to the air port and send by sea to the sea port