GB/T 6379.3-2012 in English

VALID

Accuracy(trueness and precision) of measurement methods and results - Part 3：Intermediate measures of the precision of a standard measurement method

Issued on:2012-11-05
Implemented on:2013-02-15
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $480.00
$466.00

Standard No:	GB/T 6379.3-2012
Document status:	VALID
Title in English:	Accuracy(trueness and precision) of measurement methods and results - Part 3：Intermediate measures of the precision of a standard measurement method
Title in Chinese:	测量方法与结果的准确度(正确度与精密度) 第3部分：标准测量方法精密度的中间度量
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2012-11-05
Implemented on:	2013-02-15
ICS Classification:	03.120.30-Application of statistical methods
Chinese Classification:	A41-Mathematics
Professional Classification:	GB-National Standard
Related Keywords:	standard measurement method scopethis standard specifies intermediate precision measures intermediate precision measure measurement method intermediate precision measure error
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during method validation The standard density of the product Solvent density 20 degrees and 25 degrees day-to-day precision batch precision Accuracy Precision Repeatability What is the precision of the experimental method The density of bromine water and period precision total imprecision Accuracy Analysis Method Is the standard of intermediate precision and repeatability the same? How to check the accuracy Intra-batch precision determination 9 times Measurement Accuracy Instrument Accuracy Resolution and Accuracy Density and particle size Energy density and power density Day-to-day and day-to-day accuracy Method for Measuring Metal Density How to measure the density of water Oil Density Measurement Method Use of Density Meter and Density Measurement Precision Measurement Series Accuracy and Resolution Accuracy Precision size classification accuracy Instrument Accuracy and Measurement Accuracy intermediate precision method precision solidity measurement method Calculation of inter-day precision and intra-day precision Accuracy Precision Optical Density and Concentration Bulk density and density Determination of internal precision Instrument Accuracy and Measurement Precision Instrument Accuracy Measurement Accuracy Test accuracy Aluminum density uncertainty Precision Verification Method Measurement Precision and Accuracy Water Density Measurement bulk density and true density Gas Density and Concentration The exact mass of bromine Accuracy 3 Accuracy of method determination Intra-assay precision and between-assay precision GB/T 6379.3 Interday precision and intraday precision Intra-assay and inter-assay precision Precision measurement industry Accuracy of measuring cylinder Inter-batch and intra-batch precision accuracy calculations Day-to-day precision How to balance accuracy and precision in liquid phase method validation The difference between accuracy and correctness The difference and connection between accuracy and correctness Accuracy of measurement methods and results Part 2 Inter-chamber precision vdi3441 standard positioning accuracy Measurement accuracy includes Angle measurement results of turning tool Ways to test the accuracy of analytical methods How to determine water activity Between-day precision and intraday precision practices Correct weighing method with microbalance Accuracy of Liquid Phase Methodology accuracy precision specificity accuracy precision precision concept Precisely measure the temperature and humidity of standard working environments. 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《GB/T 6379.3-2012测量方法与结果的准确度（正确度与精密度）第3部分：标准测量方法精密度的中间度量》由TC21（全国统计方法应用标准化技术委员会）归口，主管部门为国家标准化管理委员会。

Scope

This standard specifies four measures of intermediate precision due to variations in observational conditions (time, calibration, operator, and equipment) within the laboratory. These intermediate measures can be produced in a defined intra-laboratory test or through inter-laboratory tests. In addition, this part of GB/T 6379: a) discusses the meaning of the definition of the intermediate precision measure; b) provides guidance for the interpretation and application of the estimation of the intermediate precision measure in practical work; c) does not provide guidance for estimating the intermediate precision measure Error provides any measure; d) does not involve how to determine the correctness of the measurement method itself, but discusses the relationship between the correctness and the measurement conditions. 1.2 This section applies to the measurement methods involved, specifically referring to the measurement of continuous quantities, and each measurement takes only one value as the measurement result, although this value may be the calculation result of a set of observations. 1.3 The essence of determining these measures of intermediate precision is the quantitative expression of the ability of a measurement method to repeat the results of a test under specified conditions. 1.4 The statistical methods described in this section are based on the premise that information from "similar" measurement conditions can be combined to obtain more accurate information on intermediate precision measures. This premise is valid as long as the alleged "similarity" is indeed "similar". However, this premise is difficult to satisfy when estimating intermediate precision measures from interlaboratory studies. For example, in order to make sense of combining information from different laboratories, it is very difficult to make all participating laboratories "similar" by controlling for their "time" effect (effect) or "operator" effect (effect). Therefore, caution should be exercised when using results from interlaboratory studies of intermediate precision. In-laboratory studies also rely on the above premise, but this time the premise is easier to achieve because the analyst knows more about the actual impact of a factor and knows how to control it. 1.5 In addition to the techniques described in this section, there are other techniques for estimating and confirming a measure of intermediate precision within a laboratory, such as control charts (see GB/T 6379.6). This section does not claim to provide the only method for estimating intermediate precision measures within a particular laboratory.

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