sodium percarbonate coated Item Standard Test Result Appearance White, free flowing White, free flowing Active Oxygen (O) 13.0% min 14.08% Fe 0.002% max 0.001% Moisture 2.0% max 1.25% Bulk Density 0.6-1.1 g/ml 0.96 g/ml Stability 90% min 90.15% PH value ( 30g/L solution) 10-11 10.6