Optical emission spectrographic studies on the distribution and accumulation of nanogram amounts of ^<15>N in rice seedlings

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概要

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• An optical emission spectrographic method was used to study the distribution and accumulation of nanogram quantities of ^<15>N in leaves and roots of individual rice plants. Gaseous nitrogen that was prepared from plant samples, not weighing more than 100 μg, was trapped in an electrodeless tube. The excess ^<15>N was determined by exciting the gas with a high frequency generator, then measuring the light intensities of the molecular bandheads at 2977, 2983 and 2989 Å. For leaves that contained 4 atom % ^<15>N the precision obtained was ± 1.33%. A comparison of emission and mass spectrographic ^<15>N values were obtained with a number of second leaves of rice plants that were grown under similar environmental conditions. The ^<15>N contents obtained at a 2 atom % level by the 2 methods were in reasonable agreement.

• 日本植物生理学会の論文

著者

• Kumazawa K

  International Atomic Energy Agenqy Scibersdorf Laboratory N.oe.:(permanent)university Of Tokyo Dept. Of Agr Chem.

• GOLEB J.A.

  International Atomic Energy Agenqy, Scibersdorf Laboratory, N.Oe.

• Goleb J.a.

  International Atomic Energy Agenqy Scibersdorf Laboratory N.oe.:(permanent)argonne National Lab. Argonne Illinois

関連論文

• Optical emission spectrographic studies on the distribution and accumulation of nanogram amounts of ^N in rice seedlings

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