【摘要】 金属络合染料的剖析首先要脱除所络合的金属离子。在剖析国外引进的酸性染料棕ＢＮ样品中，研究了脱除铬离子的方法，评价了金属络合染料的脱铬试剂和染料母体的萃取剂。更多还原

【Abstract】 The methods for removing chrome from acid dyes brown BN were studied. The chrome separating agents and the extraction agents of parent compound were evaluated.更多还原