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为了测定水溶液中低至20ppb的聚丙烯酰胺,已经提出了一个非常灵敏的光谱萤光光度法。该方法的另外一个优点就是它在低到中等浓度的一些普通盐类存在时的适应
For the determination of polyacrylamide as low as 20 ppb in aqueous solution, a very sensitive spectrofluorimetric method has been proposed. Another advantage of this method is that it is suitable for use in the presence of some common salts at low to moderate concentrations