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检验准确度是产品质量检验的关键,是实验室提高检验质量控制的重点。在检验过程中,如何提高检验的准确度显得尤为重要。下面给大家介绍一下准确度:准确度的含义:按照GB/T6379.1-2004《测量方法与结果的准确度》标准的解释,准确度是测试结果与接受参照值间的一致程度。准确度:是用来同时表示测量结果中系统误差和随机误差大小的程度.多次测量值的平均值与真值的接近程度。测量值与真实值接近的程度称为准确度,两者之差叫误差。准确度的高低常用误差表示,误差越小,分析结果的准确度越高。在实际工作中,通常用标准物质或标准方法进行对照试验,在无标准物质或标准方法时,常用加入被测定组分的纯物质进行回收试验来估计和确定准确度。
Test accuracy is the key to product quality inspection, laboratory quality inspection to enhance the focus of inspection. In the test process, how to improve the accuracy of the test is particularly important. Here to tell you about the accuracy: Accuracy of the meaning: According to GB / T6379.1-2004 “measurement methods and results of the accuracy of the” standard explanation, the accuracy of the test results and the acceptance of the consistency between the reference value. Accuracy: is used to simultaneously indicate the degree of systematic error and random error in the measurement results, the average value of multiple measurements and the true value of the close degree. The measured value close to the true value is called the accuracy, the difference between the two is called the error. The level of accuracy commonly used error, the smaller the error, the higher the accuracy of the analysis results. In practice, the standard or standard methods are usually used for control experiments. In the absence of standard substances or standard methods, the pure substances added with the components to be tested are often used for recovery tests to estimate and determine the accuracy.