Sodium Metabisulfite Suppliers, Sodium Metabisulfite Manufacturers.
Item
|
Quality Index
|
|
Food Grade
|
Industry Grade
|
|
Purity ( As Na2S2O5)
|
98.0% min
|
96.0% min
|
Sulfur Dioxide( SO2)
|
65.0% min
|
65.0% min
|
Arsenic ( As )
|
0.0002% max
|
-
|
Heavy metals ( As Pb )
|
0.0005% max
|
-
|
Selenium (Se )
|
0.0005% max
|
-
|
Iron (Fe)
|
0.001% max
|
0.002% max
|
Water insoluble
|
0.02% max
|
0.05% max
|
PH value :
|
4.0-4.8
|
4.0-4.8
|
Remark :
|
Conformed with FCC V and E 223 Standard
|
Item
|
Quality Index
|
|
Pharmaceutical Grade
|
Photo Grade
|
|
Purity ( As Na2S2O5)
|
98.0% min
|
98.0% min
|
Sulfur Dioxide( SO2)
|
65.0% min
|
65.0% min
|
Thiosulphate ( As S2O3) :
|
0.05 % max
|
0.05% max
|
Chloride ( As CL-) :
|
30 ppm max
|
50ppm max
|
Arsenic ( As ) :
|
1ppm max
|
1ppm max
|
Lead ( Pb ) :
|
1 ppm max
|
2ppm max
|
Copper (Cu) :
|
1 ppm max
|
1ppm max
|
Iron (Fe ) :
|
5 ppm max
|
5ppm max
|
Mercury (Hg) :
|
0.1ppm max
|
1ppm max
|
Chromium (Cr) :
|
1 ppm max
|
-
|
Selenium (Se ) :
|
1 ppm max
|
5ppm max
|
Zinc (Zn)
|
1 ppm max
|
1ppm max
|
Cadmium (Cd )
|
1ppm max
|
-
|
Nickel (Ni)
|
1ppm max
|
-
|
Na2SO3 + Na2SO4
|
1.5% max
|
-
|
PH value :
|
4.0-4.8
|
4.0-4.8
|
Remark :
|
Conformed with USP standard
|
Company: |
Weifang Zhisheng Chemical Co., Ltd. |
Contact: |
Manager Du |
Phone: |
+86-536-8224688 +86-17663636060 |
Mobile phone: |
+86-17663636060 |
Fax: |
+86-536-8224688 |
E-mail: |
sales@zhishengchem.com |
Website:
|
http://www.zhishengchem.com |
Address: |
Industrial Park Economic Development Zone, Weifang, Shandong, China. |
Zip Code: |
261000 |