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| The Statistic Analysis for Measurement Data ofPrecision Cooperative Experiments |
| Received:July 27, 2013 Revised:September 05, 2013 |
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| DOI： |
| KeyWord:precision,accuracy,statistical;method,repeatability;limit,reproducibility;limit,tolerance |
| Author | Institution |
| WEN Xiang-dong |
武汉钢铁集团公司研究院 |
| SHAO Mei |
武汉钢铁集团公司研究院 |
| CAO Hong-yan |
武汉钢铁集团公司研究院 |
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| Abstract: |
| Taking the results from the precision cooperative experiments on the determination of silicon dioxide in limestone and dolomite by the molybdenum blue photometric method as an example, the expression of the function relation between the reproducibility limit r or reproducibility limit R and content(level) m has been obtained by making statistic analysis with GB/T 6379.2. Statistical data analysis,regression equation graph determination and representation of the method precision have also been discussed in the paper. It is more practical that the repeatability limit and reproducibility limit expressed by section. Several problems in the process of cooperation assay and data handling have also been thoroughly discussed. |
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