Definitions

from The Century Dictionary.

  • Relating to potassium; containing potassium as an ingredient.
  • Consisting of or related to potash.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry Containing potassium.

Etymologies

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Examples

  • But the growth may, of course, be stimulated by the application of dressings of fertilizer, such as gypsum, or those that may be termed potassic in character.

    Clovers and How to Grow Them Thomas Shaw 1880

  • The pyritic zones which contain 5-7% pyrite and local chalcopyrite are associated with strong local "potassic" and pervasive "phyllic" alteration zones intruded by strongly epidote altered dykes.

    The Earth Times Online Newspaper 2010

  • Now while these proportions may be the best for the development of a negative, they are not, according to my experience, the best for gelatine bromide positive enlargements; I find, indeed, that potassic oxalate should not have more than one-eighth of the ferrous sulphate solution added to it, otherwise it will not hold in proper solution for any length of time the compound salt formed when the two are mixed.

    Scientific American Supplement, No. 415, December 15, 1883 Various

  • On adding potassium chloride to a boiling solution of argentic fulminate, as long as a precipitate of argentic chloride forms, there is obtained on evaporation brilliant white plates, of a very explosive nature, of potassic argentic fulminate, C (NO_ {2}) KAg.

    Nitro-Explosives: A Practical Treatise

  • The proportions of saturated solution of oxalate to saturated solution of iron, to form the oxalate of iron developer, that has been recommended by the highest and almost only scientific authority on the subject -- Dr. Eder -- are from 4 to 6 parts of potassic oxalate to 1 part of ferrous sulphate.

    Scientific American Supplement, No. 415, December 15, 1883 Various

  • The developer consists of oxalate of potash and potassic chloro-platinite -- about thirty grains of the platinum salt to half an ounce of oxalate forming about six ounces of solution; a great many variations, however, may be made in the proportions of platinum salt and oxalate, and different effects secured.

    Scientific American Supplement, No. 711, August 17, 1889 Various

  • Brugère's powder is composed of ammonium picrate and nitre, the proportions being 54 per cent. picrate of ammonia and 46 per cent. potassic nitrate.

    Nitro-Explosives: A Practical Treatise

  • But by burying the refuse the soil gets back a proportion of the organic nitrogen it surrendered and something over in the way of soluble phosphatic and potassic salts; and as this organic nitrogen assumes ultimately the form of nitric acid, it can be assimilated by the growing plant, to the great benefit of whatever crop may occupy the ground.

    The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition Sutton and Sons

  • I may also, in the last instance, mention that I have found the above methods of electro-dissolution peculiarly adapted for the preparation of unstable compounds such as stannic nitrate, potassic ferrate, ferric acetate, which are decomposed on the application of heat, and in some instances have succeeded by the following means of crystallizing the resulting compound obtained.

    Scientific American Supplement, No. 586, March 26, 1887 Various

  • February of this year, when the broom was very thickly covered with the scale, I bored a three-eighths inch hole in the trunk to a depth of about three inches, filled the hole nearly full of crystals of potassic cyanide, and plugged it up.

    Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916 Various

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