三氟甲磺酸镨6000元/kgCas号52093-27-3分子式(CF3SO3)3Pr分子量588.12别名Praseodymium(III)triflate外观Appearance白色至绿色粉末或结晶红外光谱InfraredspectrumConformsEDTA配位滴定ComplexometricEDTA23.3-24.6%(Pr%))