RoHS related CRMs available from IRMM Certified Reference Materials for RoHS testing 符合RoHS指令要求塑胶（polyethylene)参考标准物质， 含四种重金属，100克颗粒/瓶 RoHS related CRMs 2 polyethylene materials certified for Br, Cd, Cl,Cr, Hg, Pb (and other elements)trace elements in HDPE ERM-EC681k 高浓度 RoHS标准分析，100克颗粒/瓶 材料Low-density polyethylene, LDPE, plastic, 组分Analyte Value 浓度值 As Arsenic 29.1 mg/kg (certified) Cl Chlorine 0.80 g/kg (certified) Br Bromine 0.77 g/kg (certified) Cd Cadmium 137 mg/kg (certified) Cr Chromium 100 mg/kg (certified) Pb Lead 98 mg/kg (certified) Zn Zinc 1.25 (ind.) g/kg (indicative) Sn Tin 86 (ind.) mg/kg (indicative) Sb Antimony 99 mg/kg (certified) S Sulfur, Sulphur 0.63 g/kg (certified) Hg Mercury 23.7 mg/kg (certified)