PREPARATION OF THREE CHINESE CERTIFIED REFERENCE MATERIALS: PLASTIC CLAY, POTASSIUM FELDSPAR, SODA-LIME-SILICA GLASS |
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| Authors: | Zhao DUNZHONG Mei YIFEI |
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| Institution: | National Analysis and Test Center of Building Materials, China Building Material Academy, Beijing 100024, People's Republic of China |
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| Abstract: | The preparation and homogeneity study of three certified reference materials, Plastic Clay GBW 03115, Potassium Feldspar GBW 03116 and Soda-Lime Silica Glass GBW 03117 are briefly presented. The recommended values with their uncertainties were assigned, after a cooperative study with 18 laboratories. |
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