品级Grade 分析纯
(AR)
外观Appearance White Crystals or Crystalline Powder
红外光谱Infrared spectrum Conforms to Structure
滴定纯度Titration by AgNO3 (TAG) 98.5- 101.5 %
纯度Purity(HPLC) ≥99.0%
水溶性Solubility Colorless to Very Faint Yellow,Clear,c = 100mg/ml (10%), H2O
重金属(以Pb计)Heavy metals ≤0.001%
灼烧残渣(以硫酸盐计)Ignition residue ≤0.1%
品级Grade 化学纯
(CP)
外观Appearance White Crystals or Crystalline Powder
红外光谱Infrared spectrum Conforms to Structure
滴定纯度Titration by AgNO3 (TAG) 97.5- 102.5 %
纯度Purity(HPLC) ≥98.0%
水溶性Solubility Colorless to Very Faint Yellow,Clear,c = 100mg/ml (10%), H2O
重金属(以Pb计)Heavy metals ≤0.002%
灼烧残渣(以硫酸盐计)Ignition residue ≤0.2%
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