Content of the third monomer of JinYang brand finished fiber ( sodium ( - sulpho - alkyl methacrylate) in which the dye uptake difference exists was analyzed with atomic absorption instrument.

• 利用原子吸收仪,分析上色率存在差异的金阳成品纤维第三单体(甲基丙烯磺酸钠)含量,确定金阳牌成品纤维A、B生产线上色率差异是由于第三单体上钠离子减少所致。