Application of a new method to estimate micronutrient concentration percentages in dried celery plants using LIBS and XRF techniques

Micronutrient concentrations is important in human life with increase of unhealthy foods. In this work, the Laser-Induced Breakdown Spectroscopy (LIBS) technique is used to quantify the concentration of plant minerals. This method’s performance and quality are compared with X-ray fluorescence (XRF) to illustrate. Sample of dried celery plants used to measure the concentration of Fe, P, K, Mg and S. The spectral line equation is used to calculate the electron temperature. The electron temperature and density are measured to calculate the concentrations. The McWhirter equation is also used to calculate electron density. Based on the utilization of two lines in the spectrum, a novel equation is applied to determine concentration with great accuracy. The concentrations determined by the XRF method, and the LIBS method agree quite well. The highest concentration of elements found in the dried celery sample is Sulfur (S), with a concentration of 2.92% followed by Mg (1.90%), P (1.09%), K (0.77%), and Fe (0.24%). In addition, LIBS strengthens its position as an essential tool for understanding and improving metal concentrations in plants.