フィルターユニットから溶出するUV吸収物質
1993 年 19 巻 3 号 p. 240-243
詳細
1993 年 19 巻 3 号 p. 240-243
Eight kinds of the filter units were chosen to investigate the presence of UV absorbing substances in filtrate. In all of them, these substances were observed. Especially, in filter units which contain nitrocellulose membrane filter, nitrate was detected by qualitative reaction and determined by high-performance liquid chromatographic method.
