| tribasic | <chemistry> Capable of neutralising 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. Origin: Pref. Tri- + basic. Source: Websters Dictionary (01 Mar 1998) |
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| tribasic calcium phosphate | Ca3(PO4)2;used as an antacid. Synonym: bone ash, bone phosphate, tertiary calcium phosphate, tricalcium phosphate, whitlockite. (05 Mar 2000) |
| tribasic magnesium phosphate | Mg3(PO4)2-5H2O;tertiary magnesium phosphate, it is used as an antacid but it does not produce systemic alkalization; 1 g is equivalent in neutralizing power to about 0.46 g of sodium bicarbonate. (05 Mar 2000) |
| tribasic |
(tri
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| tribasic a. |
an acid that has three replaceable hydrogen atoms.
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| tribasic c. phosphate |
1. the compound Ca3(PO4)2, true tribasic calcium phosphate, a rarely occurring form. It occurs in nature as whitlockite. 2. [NF] an amorphous variable mixture of calcium phosphates with approximate formula (Ca3(PO4)2)3·Ca(OH)2 (see hydroxyapatite), used as a calcium supplement.
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| tribasic m. phosphate |
see m. phosphate.
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| tribasic | an acid containing three replaceable hydrogen atoms per molecule |
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| tribasic | the tertiary phosphate of sodium used as a builder in soaps and detergents |
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