"vashattack" <vashattack at yahoo.co.uk> wrote in message
news:3c8e4ee5.10723849 at news.freeserve.co.uk...
> I hope this is not off topic and if it is I apoligise.
> I am currently doing a project on the effects of different metal salts
> on the effects of catalase breaking down Hydrogen Peroxide and was
> wondering whether a buffer solution is needed or not as I am not
> investigating effects of pH.
If you don't want to investigate the effect of pH, then you want the pH to
remain constant (or you will be seeing pH effects) so you need a buffer.