Determination of residual chlorine in water supply by p - aminodimethyl aniline spectrophotometry 对氨基二甲苯胺分光光度法测定水中余氯
2.
Spectrophotometric determination of trace cr in water with oxidation discolouring of xylidene blue by cr 二甲苯胺蓝褪色光度法测定水中痕量铬
3.
Fireclay and high - alumina refractories - determination of magnesium oxide content - xylidyl blue i - ctab photometric method 粘土高铝质耐火材料化学分析方法二甲苯胺蓝i -溴化十六烷基三甲铵光度法测定氧化镁量
