Colorimetric determination of dissolved organic carbon in soil solution and water environment.;

Dissolved organic carbon in soil solution of paludalfs udalfs in Mt. Lushan forest under impact of acid deposition;

Changes of nitrogen and phosphorus in soil solutions from the soil in Taihu Lake region during wheat growth;

Ascertainment of configuration of inorganic monomeric aluminum species in soil solutions by fluoride electrode procedure;

The reliability of fluoride electrode direct potentiometry for characterization of inorganic monomeric aluminum in Al-F system was verified and the feasibility of this method used for soil solutions was studied.

dimethyl 2 thiazolylazo) 5 dimethylaminoaniline chosen as example, the solution equilibrium of complex of cobalt(Ⅱ) an o aimino thiazolylazo dyes has been studied by spectrophotometric method.