The ion pairing makes a coloured lipophilic ion pair, which may be extracted into an organic solvent for example chloroform plus a quantitative measurement in the colour extracted is usually designed spectrophotometrically. Such a assay is described during the BP for Clonidine Injection and Benzhexol Tablets. [Pg.317] What are ions? https://freemant482lsa4.dreamyblogs.com/profile