Abstract: | The structure of the main ions Li+, Na+, K+. Mg2+, Ca2+, Cl--, SO_4 ̄2-, NO3-, and purewater in salt lakes has been reviewd in the paper. The mainly experimental method, X-raydiffraction, was introduced briefly. The history and the present situation for the study onthe structure of aqueous solution were analyzed. the future for the study was predicted. |