This website uses cookies to ensure you get the best experience. Learn more

dehydrating

dehydrating Sentence Examples

  • By the action of dehydrating agents they are converted into aldehydes or ketones.

    0
    0
  • In the presence of a dehydrating agent (such as acetic anhydride), it combines with aldehydes to form compounds of the type R CH: C(COOH) 2, or their decomposition products (formed by loss of C02) R CH: CH COOH.

    0
    0
  • The aldoximes are converted by the action of dehydrating agents into nitriles: RCH: NOH-->R C: N+H 2 0.

    0
    0
  • This water cannot be entirely removed by fractional distillation, and to prepare anhydrous or "absolute" alcohol the commercial product must be allowed to stand over some dehydrating agent, such as caustic lime, baryta, anhydrous copper sulphate, &c., and then distilled.

    0
    0
  • The olefines may be synthetically prepared by eliminating water from the alcohols of the general formula CnH2n+1 OH, using sulphuric acid or zinc chloride generally as the dehydrating agent, although phosphorus pentoxide, syrupy phosphoric acid and anhydrous oxalic acid may frequently be substituted.

    0
    0
  • Fittig and his pupils (Annalen, 1883, 216, pp. loo, 115; 1885, 227, pp. 55, 119), in which it was shown that the aldehyde forms an addition compound with the sodium salt of the fatty acid, and that the acetic anhydride plays the part of a dehydrating agent.

    0
    0
  • Crotonic acid, so named from the fact that it was erroneously supposed to be a saponification product of croton oil, may be prepared by the oxidation of croton-aldehyde, CH3 CH:CH CHO, obtained by dehydrating aldol, or by treating acetylene successively with sulphuric acid and water; by boiling allyl cyanide with caustic potash; by the distillation of 0-oxybutyric acid; by heating paraldehyde with malonic acid and acetic acid to, oo C. (T.

    0
    0
  • The -y-diketones are characterized by the readiness with which they yield furfurane, pyrrol and thiophene derivatives, the furfurane derivatives being formed by heating the ketones with a dehydrating agent, the thiophenes, by heating with phosphorus pentasulphide, and the pyrrols by the action of alcoholic ammonia or amines.

    0
    0
  • Bamberger (Ber., 18 94, 27, p. 9 1 4) obtained the diazoic acids, R NH NO 2, substances which he had previously prepared by similarly oxidizing the diazonium salts, by dehydrating the nitrates of primary amines with acetic anhydride, and by the action of nitric anhydride on the primary amines.

    0
    0
  • It condenses with acids or acid chlorides, in the presence of dehydrating agents, to oxyketones, e.g.

    0
    0
  • Its powerful affinity for the elements of water makes it a valuable dehydrating and condensation agent.

    0
    0
  • For external use, sulphuric acid is a powerful irritant and caustic, acting by its powerful affinity for water and therefore dehydrating the tissues and causing them to turn black.

    0
    0
  • 18 99, 3 2, p. 333 2): Cn112n_10Na - >C,,H2n_10 CS.SNa(R) -->Cn,H 2 n_2+COS- FR SH; or simply by dehydrating with anhydrous oxalic acid (N.

    0
    0
  • dehydrateorth noting that tea, coffee, fizzy drinks or worse, alcohol, actually contain dehydrating agents.

    0
    0
  • dehydrate and dry skin Most babies tend to be bathed daily, but washing with water alone has a dehydrating effect on the skin.

    0
    0
  • dehydratehy cared for her for a week but the baby was slowly dehydrating, probably because she was not getting enough milk.

    0
    0
  • Water soluble lubricating gels can moisten the lips without the dehydrating effects of glycerol and paraffin based products.

    0
    0
  • By the action of dehydrating agents they are converted into aldehydes or ketones.

    0
    0
  • In the presence of a dehydrating agent (such as acetic anhydride), it combines with aldehydes to form compounds of the type R CH: C(COOH) 2, or their decomposition products (formed by loss of C02) R CH: CH COOH.

    0
    0
  • The aldoximes are converted by the action of dehydrating agents into nitriles: RCH: NOH-->R C: N+H 2 0.

    0
    0
  • This water cannot be entirely removed by fractional distillation, and to prepare anhydrous or "absolute" alcohol the commercial product must be allowed to stand over some dehydrating agent, such as caustic lime, baryta, anhydrous copper sulphate, &c., and then distilled.

    0
    0
  • The olefines may be synthetically prepared by eliminating water from the alcohols of the general formula CnH2n+1 OH, using sulphuric acid or zinc chloride generally as the dehydrating agent, although phosphorus pentoxide, syrupy phosphoric acid and anhydrous oxalic acid may frequently be substituted.

    0
    0
  • Fittig and his pupils (Annalen, 1883, 216, pp. loo, 115; 1885, 227, pp. 55, 119), in which it was shown that the aldehyde forms an addition compound with the sodium salt of the fatty acid, and that the acetic anhydride plays the part of a dehydrating agent.

    0
    0
  • Crotonic acid, so named from the fact that it was erroneously supposed to be a saponification product of croton oil, may be prepared by the oxidation of croton-aldehyde, CH3 CH:CH CHO, obtained by dehydrating aldol, or by treating acetylene successively with sulphuric acid and water; by boiling allyl cyanide with caustic potash; by the distillation of 0-oxybutyric acid; by heating paraldehyde with malonic acid and acetic acid to, oo C. (T.

    0
    0
  • The -y-diketones are characterized by the readiness with which they yield furfurane, pyrrol and thiophene derivatives, the furfurane derivatives being formed by heating the ketones with a dehydrating agent, the thiophenes, by heating with phosphorus pentasulphide, and the pyrrols by the action of alcoholic ammonia or amines.

    0
    0
  • Bamberger (Ber., 18 94, 27, p. 9 1 4) obtained the diazoic acids, R NH NO 2, substances which he had previously prepared by similarly oxidizing the diazonium salts, by dehydrating the nitrates of primary amines with acetic anhydride, and by the action of nitric anhydride on the primary amines.

    0
    0
  • It condenses with acids or acid chlorides, in the presence of dehydrating agents, to oxyketones, e.g.

    0
    0
  • Its powerful affinity for the elements of water makes it a valuable dehydrating and condensation agent.

    0
    0
  • For external use, sulphuric acid is a powerful irritant and caustic, acting by its powerful affinity for water and therefore dehydrating the tissues and causing them to turn black.

    0
    0
  • 18 99, 3 2, p. 333 2): Cn112n_10Na - >C,,H2n_10 CS.SNa(R) -->Cn,H 2 n_2+COS- FR SH; or simply by dehydrating with anhydrous oxalic acid (N.

    0
    0
  • Licking our lips only aggravates this dehydrating process as the salvia evaporates quickly, leaving the lips even more parched then before.

    0
    0
  • Insecticidal soaps work by dehydrating soft-bodied insects.

    0
    0
  • Using cedar or oak bark or gravel chips also makes a dehydrating environment that slugs don't like.

    0
    0
  • The doctor should be called when the child shows any symptoms of heat exhaustion of if he or she has been exposed to heat and dehydrating conditions and has a body temperature of over 102°F (38.9°C).

    0
    0
  • Medications containing alcohol, however, should be avoided because of the dehydrating effects of alcohol.

    0
    0
  • This kitchen appliance is an all-in-one cooking solution that's capable of cooking, roasting, baking, steaming, dehydrating, grilling, barbecuing and air-frying all of your favorite foods.

    0
    0
  • Drink plenty of water and opt for lukewarm over hot showers and baths to avoid further dehydrating the skin.

    0
    0
Browse other sentences examples →