草酸(工业优级)
C2H2O4
含量Assay ≥99.60%
硫酸盐Sulfate (SO4) ≤0.07%
燃烧残渣Residue after ignition ≤0.01%
铁Iron (Fe) 0.0005%
重金属(以铅计)Heavy Metal (as Pb) ≤0.0005%
氯化物Chloride (Cl) ≤0.0005%
钙Calcium (Ca) ≤0.0005%