1.hydrogen peroxide 50% 2.Tech grade: 50%,35%,27.5% 3.Formular: H2O2 Product name:Hydrogen peroxideBatch NumberManu.datestandaardGB 1616-88IndexSpecificationResultH2O2, %≥5050.1Free acid as H2SO4,%≤0.030.028Evaporation residue,%≤0.060.055Stability,%≥9798Test Conclusion Qualified hydrogen peroxide 50%