分类： Sulphate
Type:
sodium pyrosulfite
CAS No.:
7681-57-4
Other Names:
Sodium Metabisulfite
MF:
Na2S2O5
EINECS No.:
LO002
Place of Origin:
Shandong, China Grade Standard:
Industrial Grade Purity:
97%min Appearance:
White Powder, white or light yellow crystal 
ITEM Quality Index Standard Our result Na2S2O5% 96.5 min 97.1 Water insoluble matter% 0.05 max 0.002 Have metal% 0.005 max 0.004 ARSENIC% 0.0001 max 0.0002 PH 4.72 
Product quality protection 
