Specification | Result | ||||
Appearance | White Color | passed | |||
Density(NaOH) | ≥ 50% | 50.02% | |||
Na2CO3 | ≤.0.10% | 0.08% | |||
NaCL | ≤0.01% | 0.0075% | |||
Arsenic | ≤3ppm | 3ppm | |||
Mercury | ≤0.1ppm | 0.006ppm | |||
Lead | ≤10ppm | 5ppm | |||
Heavy metal | ≤30ppm | 23ppm | |||
Fe(Fe2O3) | ≤0.005% | 0.0039% | |||
shelf life | Two year |