88Calculation of percentages

### 88 Calculation of percentages > For the purposes of this Act and of the Poisons List, percentages in the case of liquid preparations shall (unless other provision in that respect is made by the regulations) be calculated on the basis that a preparation containing one per cent of a substance means a preparation in which – > > > > (a) one gramme of the substance, if a solid; or > > > > > (b) one millilitre of the substance, if a liquid – > > is contained in every 100 millilitres of the preparation, and so on in proportion for any greater or lesser percentage.