| 聚丙烯酰胺超高相对分子质量测量不确定度评定 |
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| 引用本文： | 滕倩,刘家林,周雅萍,陈旭.聚丙烯酰胺超高相对分子质量测量不确定度评定[J].化学分析计量,2012,21(6):17-19. |
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| 作者姓名： | 滕倩 刘家林 周雅萍 陈旭 |
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| 作者单位： | 辽河油田研究院试验所,辽宁盘锦,124010 |
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| 摘 要： | 根据SY/T 5862–2008聚丙烯酰胺相对分子质量测量方法,测量了超高分子量聚丙烯酰胺的相对分子质量。经过对聚丙烯酰胺相对分子质量测量过程引入的不确定度进行分析和评定,不确定度的来源主要是试样目标液配制过程中引入的不确定度,其次是相对分子质量测量重复性、试样固含量的测定以及温度所引入的不确定度。聚丙烯酰胺相对分子质量测定结果为(2500.6±32.6)×104,k=2。
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| 关 键 词： | 超高相对分子质量 聚丙烯酰胺 不确定度 |
Uncertainty Evalution of Ultrahigh Relative Molecular Mass Determination of Polyacrylamide |
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| Teng Qian
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Liu Jialin
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Zhou Yaping
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Chen Xu.Uncertainty Evalution of Ultrahigh Relative Molecular Mass Determination of Polyacrylamide[J].Chemical Analysis And Meterage,2012,21(6):17-19. |
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| Authors: | Teng Qian Liu Jialin Zhou Yaping Chen Xu |
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| Affiliation: | (Laboratory of Research Institute Liaohe Oilfield, Panjin 124010, China) |
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| Abstract: | According to SY / T 5862-2008 Polyacrylamide relative molecular mass measurement method, relative molecular mass of polyacrylamide was determined. The uncertainty in process of polyacrylamide relative molecular mass measurement was analyzed and evaluted. The main sources of uncertainty were liquid sample preparation, followed by relative molecular mass measurement reproducibility, sample solid content determination and temperature. The relative molecular mass of polyacrylamide was （2500.6±32.6）×10^4,k=2. |
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| Keywords: | ultra high relative molecular mass polyacrylamide uncertainty |
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