Md. Abu Haydar

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Questions related from Md. Abu Haydar

What would be the formula for calculation of Threshold consumption rate due to ingestion of medicinal plant?

In a article published in science direct entitled as "Preliminary investigation of naturally occurring radionuclides in some traditional medicinal plants used in Nigeria", the author used the...

10 February 2020 4,042 0 View

Is it required to concentrate sea water sample prior to gamma spectrometry analysis??

Suppose we have 10 L of sea water sample and we want to determine the activity of gamma emitting radionuclides in it. Is it required to concentrate this sample prior to gamma spectrometry analysis...

09 October 2019 5,439 3 View

What is Coincidence summing in gamma spectrometry and When it is required to make a correction for it?

During the interference Correction of the 226Ra 186.2 keV line by the 235U 185.7 keV some authors (F. De Corte et al, 2005) use the formula as given in attachment: Where, Ig, is the gamma-ray...

25 September 2019 2,698 2 View

How to Calculate Net count rate uncertainty in gamma spectrometry Technique?

We have a shrimp sample from IAEA for proficiency test and as per the requirement of IAEA we want to identify and quantify radioactivity in that sample. We have taken a sample count for 90000...

22 September 2019 6,633 14 View

How to Correct the interference of the 226Ra 186.2 keV line by the 235U 185.7 keV line?

Methods for the determination of radium isotopes in environmental solids by gamma spectrometry can be obtained by two means, the direct measurement of the principal photopeaks (186 keV in the case...

29 August 2019 9,249 10 View