GB/T 27412-2012Detection of laboratory bias using single test result from check standard (English PDF)
基于核查样品单次测量结果的实验室偏倚检出
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
July 1, 2013
Scope
GB/T 27412-2012 is the English-translated version of 基于核查样品单次测量结果的实验室偏倚检出.
GB/T 27412-2012 is the Chinese standard "Detection of laboratory bias using single test result from check standard". Its scope clause reads: This standard specifies the laboratory methods unbiased assumed verification samples (CS sample) single measurements with the reference value It contains a section (RQV) the difference between the calculations.
Note. This calculation comes from Class I error rate prescribed precision standard deviation (sR ') during the detection method used, RQV standard deviation (sRQV), so laboratory By unbiased detection of the null hypothesis, and a single measurement results may fall outside the range of probability estimation method comprising the.
This standard applies to the measurement under statistical control system to produce a continuous numerical results normal model to describe and predict. Its clauses include terms and definitions.
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Document preview — GB/T 27412-2012
National Standard of the People's Republic of China
- ICS
- 19.020
- Classification
- B 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Verification sample
- 3.2 Measurement accuracy measurementaccuracy, accuracyofmeasurement
- 3.3 Measurement bias
1 Scope
This standard specifies the laboratory methods unbiased assumed verification samples (CS sample) single measurements with the reference value
It contains a section (RQV) the difference between the calculations.
Note. This calculation comes from Class I error rate prescribed precision standard deviation (sR ') during the detection method used, RQV standard deviation (sRQV), so laboratory
By unbiased detection of the null hypothesis, and a single measurement results may fall outside the range of probability estimation method comprising the.
This standard applies to the measurement under statistical control system to produce a continuous numerical results normal model to describe and predict.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 5487 Determination of gasoline octane number (research)
GB/T 27407 laboratory quality control use performance statistics for quality assurance and control chart technical evaluation and analysis of the measurement system
JJF1001 common measurement terms and definitions
3 Terms and Definitions
GB/T 27407 and JJF1001 defined in the following terms and definitions apply to this document.
3.1 Verification sample
CS sample
Quality control measurements with the reference value of the material.
Note. between the material as a standard substance, or laboratory comparison reference values assigned to the material, used to determine the accuracy of the measurement system.
[GB/T 27407-2010, the definition 3.8]
3.2 Measurement accuracy measurementaccuracy, accuracyofmeasurement
Accuracy accuracy
The measured value is measured the extent consistent with its true value.
Note 1. The concept of 'measurement accuracy' is not a quantity, do not give a digital value. When measurements provide smaller measurement error when he said that the measure is calibrated
Correct.
Note 2. Measurement accuracy is sometimes described as a given degree of coincidence between a measured value measured.
[JJF1001-2011, the definition 5.8]
3.3 Measurement bias
Bias bias
Estimates of measurement error.
GB/T 19630-2019 | GB/T 19630.2-2011 | GB/T 19630.3-2011 | GB/T 27415-2013 | GB/T 27413-2012 | GB/T 27411-2012 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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