FOB Price
أحصل على آخر سعر|
Minimum Order
Place of Origin:
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Price for Minimum Order:
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Minimum Order Quantity:
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Packaging Detail:
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Delivery Time:
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Supplying Ability:
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Payment Type:
T/T, L/C
الشخص الذي يمكن الاتصال به Mr. li
No 38 nongye road, Zhengzhou, Henan
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Test Item
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Standard Request.
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Appearance
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White or light yellow
crystalline powder
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Content(Na2S2O5%)
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≥*5%
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SO2%
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*5%
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Fe%
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≤0.**5%
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Insoluble substance
in water%
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≤0.*5%
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Heavy metal (Pb)%
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≤0.**2%
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As%
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≤0.***2%
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PH
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4.**4.6
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