Self made polytrifluorochloroethylene slurry(PTFCE) is used as halogenation agent which promotes the vaporization of Ti in electrothermal vaporization inductively coupled plasma atomic emission spectrometry(ETV ICP AES) for the determination of Ti.

• 本文首次提出以聚三氟氯乙烯（PTFCE）为化学改进剂，应用于悬浮体制样ETV－ICP－AES直接测定固体生物试样中微量钛。