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Complexes of Iron Cations with N-Phenylglycinate or Oxalic AcidAmerican Dental Association Health Foundation, Paffenbarger Research Center, National Bureau of Standards, Gaithersburg, Maryland 20899
American Dental Association Health Foundation, Paffenbarger Research Center, National Bureau of Standards, Gaithersburg, Maryland 20899 N-phenyglycine plays a very important role in obtaining adhesion of restorative composites to dentin and enamel (Bowen et al., 1982a). In a systematic investigation, ferric or ferrous N-phenylglycinate complexes formed when aqueous ferric nitrate or ferrous chloride was combined with solutions of potassium N-phenylglycinate in stoichiometric proportions. The molal ratios of iron ion to N-phenylglycinate ion in each complex were confirmed by osmolality measurements with a freezing-point osmometer. The reaction of aqueous solutions of oxalic acid with ferric nitrate indicated formation of ferric oxalate complexes with a stoichiometry of Fe 2(oxalate)3 in solution, using Job's method of continuous variations (1925;1928).
Journal of Dental Research, Vol. 65, No. 3,
412-416 (1986) |
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