二正辛基亚砜棉富集分离液珠萃取比色法测定化探样品中的金、银

Determination of gold or silver in chemical exploration sample by liquid bead extractive colorimetry after enrichment and separation by di n octyl sulphoxide cotton

制备了二正辛基亚砜棉，并研究了二正辛基亚砜棉富集分离金、银的条件。采用硫代米蚩酮ＴＢＰ液珠萃取比色法测定了化探样品中的金、银。方法的检出限：金为０５×１０－９ｇ，银为５×１０－９ｇ。

The conditions of enrichment and separation of gold or silver by di n octyl sulphoxide cotton are studied.The determinations of gold or silver in chemical exploration samples by extractive colorimetry of TMK TBP liquid bead are made.The detection limit of gold is 0.5×10 -9 g while silver is 5×10 -9 g