还原母液经预处理，一次萃取、三次反萃后还原，得到海绵铂和钯的纯度为99.97%，收率为93.3%&100%。
Pt and Pd is extracted once and back extracted three times , and then reduced . The purity of sponge Pt-Pd is 99.97 % . The recovery rate is 93.3 % - 100 % .
海绵铂