Through synthesizing analyisis of gossan's geological characteristics and spec-trum characteristics,correct extracting means of imaging in formation are selected accordingto the result of analysis.

in this study,the REE contents of primary sulphide and their weathering products(gossan) of the Wushan copper mine were investigated.

Xinshan gossan in Muli, tectonically, lies in a dome of the arc-nappe structural zone in the western margin of the Yangtze Platform.

XRF analysis of ferromanganese;

Phosphomolybdate blue spectrophotometric determination of phosphorus in ferromanganese;

Studies on the Determination of Silicon and Phosphorus in Ferromanganese by ICP-AES;

Research progress on iron and manganese removal from underground water by biological method

Study on Removing Iron and Manganese in Ground-Water With Zeolite Modified by NaOH

With the environmental hydro-geochemistry theory,the mechanism of the chemical and biological function of iron and manganese on the nitrogen transformation is studied through in-site sampling and laboratory analysis.

The phosphorous content in the high,medium and low carbon manganese iron alloy is measured up by ICP-AES method in which trace amount of nitric acid and hydrochloric acid is dissolved under the heating condition.