ERM-EC680M,ERM-EC681M標準物質 RoHS related CRMs available from IRMM Certified Reference Materials for RoHS testing
符合RoHS指令要求塑膠(polyethylene)參考標準物質,含四種重金屬,100克顆粒/瓶 RoHS related CRMs 2 polyethylene materials certified for Br, Cd, Cl,Cr, Hg, Pb (and other elements)trace elements in HDPE