Cas号139177-64-3分子式(CF3SO3)3Er分子量614.47别名Erbium(III)triflate；Trifluoromethanesulfonicaciderbium(III)salt外观Appearance粉红色粉末或结晶红外光谱InfraredspectrumConformsEDTA配位滴定ComplexometricEDTA26.5-27.9%（Er%）)