What Is Laboratory Quality Control?

Laboratory quality control refers to the control measures taken to control the error of analytical test results within the allowable limit. It includes two parts of quality control in the laboratory and inter-laboratory quality control. Laboratory quality control includes blank experiments, verification of calibration curves, calibration of instruments and equipment, analysis of parallel samples, analysis of spiked samples, and use of quality control charts. It is the process by which laboratory analysts exercise self-control over the testing process.

Laboratory quality control

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Laboratory quality control refers to the control measures taken to control the error of analytical test results within the allowable limit. It includes two parts of quality control in the laboratory and inter-laboratory quality control. Laboratory quality control includes blank experiments, verification of calibration curves, calibration of instruments and equipment, analysis of parallel samples, analysis of spiked samples, and use of quality control charts. It is the process by which laboratory analysts exercise self-control over the testing process.

Laboratory quality control refers to the control measures taken to control the error of analytical test results within the allowable limit. It includes two parts of quality control in the laboratory and inter-laboratory quality control. Laboratory quality control includes blank experiments, verification of calibration curves, calibration of instruments and equipment, analysis of parallel samples, analysis of spiked samples, and use of quality control charts. It is the process by which laboratory analysts exercise self-control over the testing process. Inter-laboratory quality control includes the distribution of standard samples to evaluate the analytical results of laboratories, the collaborative experimental verification of analytical methods, and the inspection of encrypted samples. It is an important measure to detect and eliminate systematic errors between laboratories. It is typically undertaken by a team of experts who are familiar with analytical methods and quality control procedures.