pyrogallol red meaning in English

焦■酚红
焦性没食子酚红
连苯三酚红

Spectrophotometric determination of micro titanium in steels with system of ti - mannitol - pyrogallol red - cetyltrimethyl ammonium bromate
溴化十六烷基三甲基铵四元体系分光光度法测定钢中微量钛
Determination of trace cobalt by solid substrate room temperature phosphorescence quenching method on hydrogen peroxide oxidizing pyrogallol red
催化过氧化氢氧化邻苯三酚红固体基质室温?光猝灭法测定痕量钴