Abstract:
本文提出一种用于测定对氨基苯胂酸硝化反应产物中4-羟基-3-硝基苯胂酸(Roxarsone)及对氨基苯胂酸含量的离子对色谱法,选择甲醇:水=25:75(v/v)作为流动相,0.005mol/L的四丁基氢氧化铵为离子对试剂,用磷酸调至pH=4.0,定量测定重现性良好,对Roxarsone中的杂质对氨基苯胂酸(ASA)的最低检出浓度为0.05μg/mL,结果令人满意。
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福建分析测试
Year: 2000
Issue: 01
Page: 1178-1181
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