rhett_yu
第2楼2014/07/01
加标准物质与样品一同燃烧,再计算回收率。
ERM-EC681k 高浓度 RoHS标准分析,
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)