波長散佈分析儀 能量散佈分析儀 X射線螢光光譜儀 電感耦合電漿原子發散光譜儀 電機電子設備限用有害物質指令 Wavelength dispersive spectrometer WDS Energy dispersive spectrometer EDS X-ray fluorescence spectroscopy XRF Inductively coupled plasma-atomic emission spectrophotometer ICP-AES Restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS