Nitrogen determination in plant samples by fast neutron activation analysis
For the non-destructive deermination of the nitrogen content in plant samples 14-MeV neutron activation analysis was applied. Using powder samples of 0.7 g, irradiation time of 1 h and measuring time of 10 min, the accuracy of the determination is about +15%. The potassium content of the plant samples was determined by X-ray fluorescence analysis and correction was made for their contribution to the nitrogen activities.
KeywordsNitrogen Potassium Inorganic Chemistry Nitrogen Content Powder Sample
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