Method for measuring content of potassium chloride particles by potentiometric titration

The invention provides a method for determining the content of potassium chloride particles by potentiometric titration, and relates to the technical field of detection, and the method comprises the following steps: quantifying by selecting the potentiometric titration, taking water as a solvent, adding hydrogen peroxide in a gradient manner before titration, heating in a water bath, and then adding dilute nitric acid to prepare a test solution. The method can be used for rapidly measuring the content of potassium chloride particles. The detection method has the advantages of low detection cost, strong specificity, high precision and good accuracy, and can effectively control the quality of potassium chloride particles. 本发明提供了一种利用电位滴定法测定氯化钾颗粒含量的方法，涉及检测技术领域，本发明通过选择电位滴定法定量，以水作为溶剂，滴定前通过梯度加入过氧化氢并水浴加热然后加入稀硝酸的方法配制供试品溶液。采用该方法可将氯化钾颗粒含量快速测定。该检测方法检测成本低、专属性强、精密度高、准确性好，可有效控制氯化钾颗粒质量。