Abstract
Abstract Phosphoric esters of hexoses were subjected to neutrons and the resulting 32P-labeled recoil products were separated by paper chromatography and paper electrophoresis. The main recoil products were phosphorous and phosphoric acids, independent of the chemical form of the target material and the kind of its salt. A small amount of inorganic acids containing a P–P or P–O–P bond was also found. The yield of the retention product was less than a few percents. The presence of organic diphosphorus compound was supposed by paper electrophoretic analysis. An addition of a small amount of water to the target material before irradiation favored formation of 32P-labeled phosphorus oxyacids in lower oxidation state. The results from irradiation of aqueous solution gave an unexpected chromatographic behavior owing to some unstable complex of recoil 32P atom with water molecule.
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