Cellulose/titanium dioxide composite cation exchanger for expanded bed adsorption;

The impurities were separated from niobium through cation exchange, and eluted with 4mol/L HNO3 solution and determinated by ICP-OES.

Through contrastive analysis of Archie model and the applicable conditions of Waxman-Smits model,an oil saturation quantitative interpretation model,which is based on the reservior parameters as bound water saturation,cation exchange capacity,and so on,is established to obtain the important prec.

In order to find a chemical analysis method for determination of trace chlorine ion in cobalt carbonate,the conditions for determination of the trace chlorine ion in cobalt carbonate with indirect colorimetric method between mercuric thiocyanate and ferric iron salt,and the conditions for the cation exchange separation of cobalt are systematically investigated.

Determination of six trace elements in zirconium alloy by cation exchange resin chromatography and inductively coupled plasma atomic emission spectrometry;

Effect of amounts of resin particles on performance of cation exchange resin/PES hybrid membranes;

Determinations of trace Copper,Lead and Cadmium in seawater by graphite furnace atomic absorption spectrometry with cation exchange resin;

Structure and cation exchange capacity evolution of Xuancheng zeolite under heat treatment;

Three measuring methods of bentonite cation exchange capacity are compared and evaluated according to measuring results and process.

The formation and cation exchange capacity (CEC) of zeolite synthesized after alkaline activation of a Chinese fly ash, as a function of temperature, liquid/solid ratio, NaOH concentration and reaction time in closed systems were investigated.