共 43 条
- [32] Spectrophotometric determination of thorium in food using 2-(2,5-disulfonic-4-methoxyphenylazo)-7-(2-hydroxyl-5-carboxylphenylazo)-1, 8-dihydroxynaphthalene-3,6-disulfonic acid Journal of Analytical Chemistry, 2007, 62 (10): : 946 - 950
- [33] Spectrophotometric determination of thorium in food using 2-(2,5-disulfonic-4-methoxyphenylazo)-7-(2-hydroxyl-5-carboxylphenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid Journal of Analytical Chemistry, 2007, 62 : 946 - 950
- [35] A NEW ARSENAZO, 2-(4-ARSONOPHENILAZO)-7-(4 ANTYPIRILIZADO)-1,8-DIHYDROXY-3,6-NAPHTHALEN DISULFONIC ACID AS REACTIVE OF COPPER AND IRON - SPECTROPHOTOMETRIC DETERMINATION OF COPPER ANALES DE QUIMICA SERIE B-QUIMICA INORGANICA Y QUIMICA ANALYTICA, 1986, 82 (01): : 76 - 80