Introduction Since it was found that cetyltrimethylammonium bromide (CTMAB) can increase greatly the sensitivity of the tin (Ⅳ)-pyrocatechol violet (PV) system, the micellar speetrophotometric determination of tin (I...Introduction Since it was found that cetyltrimethylammonium bromide (CTMAB) can increase greatly the sensitivity of the tin (Ⅳ)-pyrocatechol violet (PV) system, the micellar speetrophotometric determination of tin (IV) has been developed extensⅣely. The most widely used acidity dyes are PV and Bromopyrogallol Red (BPR). They have展开更多
文摘Introduction Since it was found that cetyltrimethylammonium bromide (CTMAB) can increase greatly the sensitivity of the tin (Ⅳ)-pyrocatechol violet (PV) system, the micellar speetrophotometric determination of tin (IV) has been developed extensⅣely. The most widely used acidity dyes are PV and Bromopyrogallol Red (BPR). They have