FOB Price
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Minimum Order
Localité:
-
Prix de commande minimale:
-
Commande minimale:
-
Packaging Detail:
-
Delivery Time:
-
Supplying Ability:
-
Payment Type:
T/T, L/C
Personne àcontacter Mr. li
No 38 nongye road, Zhengzhou, Henan
Test Item
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Standard Request.
|
Appearance
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White or light yellow
crystalline powder
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Content(Na2S2O5%)
|
≥*5%
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SO2%
|
*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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