Silk is highly hygroscopic. If desiccated at 250° F.
Under the influence of the heat the atmospheric oxygen unites with the hydrogen of the ammonia, and when the excess of the latter is removed with sulphuric acid, the gas properly desiccated should be pure nitrogen, derived in part from the ammonia, but principally from the air.
He bought wild lands, took stock in mining companies, desiccated egg companies, patent looms, photo-lithographic companies, gave away profusely, lent to plausible rascals, and was the ready prey of every new inventor who chanced to find him with money or with property that he could readily convert into money.
When prepared by drying and mixing with various substances, night-soil is sold as desiccated night-soil or native guano, the value of which depends upon the materials used for admixture.
At the stage of final firing, tea is supposed to be desiccated as completely as possible, and it is then sealed up to exclude air entirely.