外观Appearance                                         White Powder

水溶性Solubility                                          Colorless Clear ,50 mg/mL in H2O

纯度Purity by Titration by HCLO4              ≥99 %

红外光谱Infrared spectrum                       Conforms to Structure

水分Water Content                                   ≤0.5 %

pH                                                            0.8 - 1.2

灼烧残渣Residue on ignition (Ash)             ≤0.1 %

砷Arsenic (As)                                           ≤2 ppm

重金属Heavy Metal                                   ≤0.001 %