| ≥1 piece |
we specialize in the exportation of Chinese chemicals in Shanghai, China for 8 years, we hope that we can become your reliale supplier through our sincere cooperation Sodium Metabisulfite ( food grade) Specification value Appearance:white or light yellow crystal powder purity(counted as S02) % 65.0min Fe% 0.005max Water insoluble matter % 0.05max PH value 4.0-4.6 Heavy metal (as Pb) 0.002%max As % 0.0002max your quick enquiry is highly appreciated