author: david g watson

... titration are: CO3 H HCO 2 − ++ → 3 HCO3− +H+ → H2CO3 Self-test 3.1 (ii) and (i) Quinine: (iv). and (iii) Aspirin: Answers: Which of these indicators could be used in the titration of aspirin and which could be used in the titration ...

This new book, from the editor of the highly successful Pharmaceutical Analysis, sets out to define the area of pharmaceutical chemistry as distinct from medicinal chemistry.

... titration curve. Sodium carbonate is a salt of carbonic acid and it can accept two protons. The pKa values of ... aspirin and which could be used in the titration of quinine? (i) Bromophenol blue pKa 4.0 (ii) Methyl red pKa 5.1 (iii) ...

... titrations. This type of titration is widely used in the cosmetics and detergents industry since it is very useful for estimating surfactants, which often cannot be analysed by spectrophotometric methods because they lack chromophores ...

... pH of a solution in a narrow range. This is important in living systems; for example, human plasma is buffered at pH 7.4 by a carbonic acid/bicarbonate buffer ... preparation of mobile phases for chromatography and the extraction of drugs ...

... prepared from any weak acid or base and are used to maintain the pH of a solution in a narrow range . This is important in living systems ; for example , human plasma is buffered at pH 7.4 by a carbonic acid / bicarbonate buffer system .