The reduction process of SBRF-E gold and silver refining is carried under using SBRF reducer and controlling the redox potential.The purity of the gold products is over 99.99% .

• 金银精炼新工艺采用SBRF作还原剂；通过控制氧化还原电位来控制还原；产品金纯度达到99.；99%25以上;