- Sulphate[6]
- Nitrate[6]
- Other Inorganic Salts[1]
- Chemical Auxiliary Agent[1]
- Food Additives[4]
- Contact Person : Ms. Yang Eillen
- Company Name : Shandong Hailan Chemical Industry Co., Ltd.
- Tel : 86-0536-15725060312
- Fax : 86-0536-5787617
- Address : Shandong,weifang,Houzhen project zone,Shouguang
- Country/Region : China
sodium metabisulfite 98%
Sodium metabisulphite
Property :white or light yellow crystal powder,a strong smell of sulfur dioxide ,relative density is 1.4,easy to dissolve in water and glycerin.It has acidity ,and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Specification For Food Grade and Industry Grade :
Item | Quality Index | |
Food Grade | Industry Grade | |
Purity ( As Na2S2O5) | 98.0% min | 97.0% 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 | |
Specification For pharmaceutical Grade and photo Grade
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-) | 30ppm max | 50ppm max |
Arsenic(As) | 1ppm max | 1ppm max |
Lead(Pb) | 1ppm max | 2ppm max |
Cooper(Cu) | 1ppm max | 1ppm max |
Iron(Fe) | 5ppm max | 5ppm max |
Mercury(Hg) | 0.1ppm max | 1ppm max |
Chromium(Cr) | 1ppm max | - |
Selenium (Se ) | 1ppm max | 5ppm max |
Zinc(Zn) | 1ppm 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 | |
sodium metabisulfite 98%
