二苯硫脲纤维分离富集原子吸收法测定地质样品中痕量金

Preconcentration of Trace Gold in Geological Samples with Diphenylthiourea Cotton Cellulose and Its Determination by FAAS

采用自行研究合成的二苯硫脲纤维素分离富集、并用火焰原子吸收法测定了地质样品中痕量金，系统研究了题示方法的各种条件。该法简便快速、测定准确、经济实用，具有推广价值。

Trace gold in geological samples were preconcentrated with diphenylthourea cotton cellulose prepared in our laboratory,and then determined by FAAS.The conditions for the separation and preconcentration have been studied in details.This method is simple,rapid,accurate and inexpensive.