The objective of this research work is to evaluate the applicability of selecting the rapid method to replace the conventional standard method for determining heavy metals concentration in the real samples which were obtained from the textile, electroplating, leather, and food processing industries. Statistical techniques including paired t-test, factor analysis and regression analysis were introduced to compare the analytical results from the above two methods. A comprehensive evaluation of these two methods based on the principle, accuracy, precision, linear range, interference, detection limit, ease of operation, and cost analyses is given.

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