In response to the prolonged pre-treatment time inherent in traditional leather pH testing methods,a rapid and efficient extraction technique has been developed.By integrating mature ultrasonic extraction technology and employing orthogonal experimental design for parameter optimization,a significantly shortened pre-treatment time was achieved.The ultrasonic rapid detection method,when compared to conventional testing techniques,demonstrated a relative standard deviation of less than 10%,meeting the precision requirements for analytical chemistry experiments.The range between 12 parallel samples was under 0.2,in accordance with the QB/T 2724-2018 standard for Leather—Chemical Tests—Determination of pH.Experimental validation confirms that the ultrasonic rapid detection method for leather pH complies with standard requirements,greatly reducing testing time and enhancing detection efficiency.
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