Synthesis of 8-(8-quinolylazo)-5-aminoquinoline and its color reaction with cobalt(Ⅱ);

Synthesis of a new reagent 1-(4-Nitrophenyl)-3-(5-Methypyridyl)-Triazene and its color reaction with cadmium;

Synthesis of the new reagent 1-azobenzene-3-(3-nitro-5-chloro-2-pyridyl) triazene and its color reaction with zinc;

Study on the colour reaction of a new reagent 1-(4-nitrophenyl)-3-(6-methbenz-thiazol)-thiazene with cadmium(Ⅱ);

Synthesis of 8-aminoquinoline-5-azo derivatives and their colour reaction with cobalt;

Study on the Colour Reaction of Fe(Ⅲ) with a new Colour Reagent 8 Quinine Azo Quercetin;

In this paper the synthesis of the new reagent 1-(4-nitrophenyl)-3-(3-nitro-5-chloro-pyridyl)-triazene(NPNCPDT) and its chromatogenic reaction with zinc have been studied.

1-(4-methyl-6-hydroxyl-pyrimidine)-3-(phenyl-azo)-triazene(MHPPAT),as a chromogenic reagent,was synthesized and its chromatogenic reaction with copper was studied.

Study and application of chromogenic reaction between Bromopyrollol Red(BPR) and molyldenum in the presence of surfactant;

Synthesis of new reagent fluoroarsenazo-DBN and the study on its chromogenic reaction with rare earths,thorium and bismuth;

Synthesis of fluorophosphonazo-DBF (FPA-DBF) and the study on its chromogenic reaction with rare earths, bismuth and thorium .;