ARSLNuclear Activation Analysis System

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Neutron Activation Analysis (NAA) of environmental, archaeological, geological, agricultural and industrial samples requires extensive data analysis that is susceptible to error. For the purpose of saving time, manpower and minimizing error, an online calculation system for NAA is designed, built and implemented using SQL and asp.net technology to automate this process at the Applied Radiation Sciences Laboraotry. Based on the peak information of the spectrum and assisted by its library, the program automatically identifies elements in the samples and calculates their concentrations and respective uncertainties.

The thermal neutron irradiation of samples is conducted by the PULSTAR reactor in the North Carolina State University (our parter of neutron activation and student education).

The program is particularly user-friendly for those colleagues (e.g. archaeologists, biologists, environmentalist, geologists, etc.) who are interested in NAA, but not too familiar with the underneath detail of the nuclear (atomic) reactions and the corresponding activation calculations.

Before using the system, you should have the files and the information below:

1.       Peak reading files in excel 2007 (*.xlsx) format (download the peak file sample )

2.       Concentration (ppm) file of the reference in excel 2007 (*.xlsx) format (download the ppm file sample).

3.       Other information, such as the mass, the time(s), the monitor data, etc.

4.       The method one used for monitoring the photon flux (the analysis without monitor, the external monitor method or the internal monitor method).

If you have all the files and the information above, click next.

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