FOB Price
Obtenir le dernier prix|
Minimum Order
Localité:
-
Prix de commande minimale:
-
Commande minimale:
-
Packaging Detail:
25kg
Delivery Time:
-
Supplying Ability:
-
Payment Type:
T/T, L/C
Personne àcontacter Mr. Chris
No.43 Dongyue Street, Linyi China, Linyi, Shandong
|
Item |
Quality
spec.
|
|
|
food
grade
|
technical
grade
|
|
|
Purity
(Na2S2O5)
|
≥*8.0%
|
≥**0%
|
|
Sulfur
dioxide( SO2)
|
≥*5.0%
|
*5.0%
|
|
Arsenic
( As )
|
≤0.***2%
|
-
|
|
Heavy
metal (Pb)
|
≤0.***5%
|
-
|
|
Selenium (Se
)
|
≤0.***5%
|
-
|
|
Iron
(Fe)
|
≤0.**1%
|
≤0.**2%
|
|
Insol.
in water
|
≤0.*2%
|
≤0.*5%
|
|
pH-value
:
|
4.**4.8
|
4.**4.8
|
|
Note:
|
Meet
FCC V and E **3 standard
|
|
