GB/T 6683.4-2026
UpcomingPetroleum and related products—Precision of measurement methods and results—Part 4: Use of statistical control charts to validate 'in-statistical-control' status for the execution of a test method standard in a single laboratory
石油及相关产品 测量方法与结果精密度 第4部分：使用统计控制图确认单个实验室执行试验方法标准处于“统计受控状态”
Application Summary AI generated
This standard specifies the use of statistical control charts to verify that a single laboratory consistently executes a test method standard for petroleum and related products while maintaining a state of statistical control. It is applied in quality control and testing environments, such as petroleum refineries or independent testing labs, to monitor precision and ensure reliable, repeatable results over time.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.