Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Containing three univalent basic atoms or groups per molecule. Used of a base or salt. Na3PO4 is an example of a tribasic salt.
- adjective Triprotic.
from The Century Dictionary.
- In chem., having three hydrogen atoms replaceable by equivalents of a base: noting some acids.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Chem.) Capable of neutralizing three molecules of a monacid base, or their equivalent; having three hydrogen atoms capable of replacement by basic elements on radicals; -- said of certain acids; thus, citric acid is a
tribasic acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective chemistry, of an acid containing three
replaceable hydrogen atoms - adjective chemistry having three atoms of a
univalent metal
Etymologies
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Examples
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In the ordinary so-called raw phosphates, such as bone-meal, bone-ash, coprolites, &c., the lime and phosphoric acid are combined in the form of what is known, in chemical phraseology, as _tribasic phosphate of lime_.
Manures and the principles of manuring Charles Morton Aikman
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[226] The solubility of tribasic phosphate, of course, is not always equal in different manures.
Manures and the principles of manuring Charles Morton Aikman
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Now it was naturally concluded at first that the tribasic phosphate was the form in which these two substances existed in the slag.
Manures and the principles of manuring Charles Morton Aikman
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The larger the percentage of tribasic phosphate, the larger the quantity of sulphuric acid required for its decomposition; but sometimes even a poor phosphate consumes a large amount of sulphuric acid.
Manures and the principles of manuring Charles Morton Aikman
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Contrary to what we might expect, this phosphate is less insoluble than the ordinary tribasic or bone phosphate.
Manures and the principles of manuring Charles Morton Aikman
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The ordinary or medium class contains from 25 to 27 per cent of soluble phosphate; and here it may be pointed out that by soluble phosphate is meant the percentage of tribasic phosphate which has been dissolved -- not, as might at first sight be supposed, the percentage of monocalcic phosphate.
Manures and the principles of manuring Charles Morton Aikman
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Being a tribasic acid, it forms acid as well as normal salts.
An Elementary Study of Chemistry William McPherson
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Similarly, we may have tribasic and tetrabasic acids.
An Elementary Study of Chemistry William McPherson
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In the commonest form, popularly called bone-phosphate, which is the form in which lime and phosphoric acid are combined in bones, guano, and the ordinary mineral phosphates, the lime and phosphoric acid are combined in the form of what is known as tribasic phosphate of lime, or tricalcic phosphate -- that is to say, for every equivalent of phosphoric acid there are three equivalents of lime.
Manures and the principles of manuring Charles Morton Aikman
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According to Rose, apatite is made up of three molecules of tribasic calcium phosphate (Ca (PO_4) _2), combined with one molecule of calcium fluoride (Ca F_2) or one molecule of calcium chloride (CaCl_2) respectively.
Manures and the principles of manuring Charles Morton Aikman
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