On the basis of the above analystic results, successful butt cold welding has been obtained between the metals of incoherent lattice and non-soluble liquidoid and non-soluble solidoid.
This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.
A molecularly imprinted solid phase extractant, particularly for the recognition of diphenylguanidine (DPG) was prepared using diphenylguanidine (DPG) as the template and bulk polymerization.
A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.