Tartronic

Tar`tron´ic


a.1.(Chem.) Of, pertaining to, or designating, an organic acid (called also hydroxy malonic acid) obtained, by reducing mesoxalic acid, as a white crystalline substance.
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By-products were lactic, tartronic, glycolic, oxalic, acetic and formic acids.
Glycerol/Pd molar ratio and oxygen pressure influence on the glycerol oxidation results in the presence of 1.4 wt% Pd-NiO/Ce[O.sub.2] composite n(glycerol)/n(Pd) p[O.sub.2] Glycerol conversion (mol/mol) (atm) (mol%) 300 1 77 500 1 74 500 (*) 1 100 1000 1 32 1000 3 22 1000 6 24 n(glycerol)/n(Pd) Product selectivity (mol/mol) (mol%) Glyceric Lactic Tartronic Glycolic acid acid acid acid 300 11 5 6 500 12 5 5 500 (*) 11 6 6 1000 9 4 6 1000 5 3 15 1000 4 3 16