It was an evil day, sticky and leaden: Oxiana looked as colourless and suburban as India.

‘Nobody of any elegance of manners can exist, where tradesmen, attornies, and mechanics have the pas.’

The Inquiry concluded that the last four months of her life had been spent in a black bin bag in the bath in an unheated bathroom, lying in her own urine and excrement.

Once laden it is easy to regenerate the adsorbent and retrieve the adsorbed species as a gas.