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傅立叶变换红外吸收光谱法测定D2O浓度

Determination of D2O Concentration by Fourier Infra-red Spectrophotometry

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【作者】 刘焕良张丽华付建丽苏玉兰杨恩波钱红娟范德军

【Author】 LIU Huan-liang,ZHANG Li-hua,FU Jian-li,SU Yu-lan,YANG En-bo,QIAN Hong-juan,FAN De-jun(Department of Radiochemistry,China Institute of Atomic Energy,Beijing 102413,China)

【机构】 中国原子能科学研究院放射化学研究所

【摘要】 建立了傅立叶变换红外吸收光谱测定高、中、低浓度D2O的方法。该法具有快速、简便、样品无需处理即可直接测定的优点。方法精密度高,D2O浓度(摩尔分数)为99.84%时,标准偏差优于0.001;测量范围宽,D2O浓度检测范围为99.92%~0.015%;样品用量少,0.2 mL样品即可获得准确结果。

【Abstract】 A method to determine D2O concentration(mole fraction)of high,medium and low heavy water with Fourier infra-red spectrophotometer had been established.Its outstanding advantages were rapid,convenient,less sample(0.2 mL sample),high precision,and direct determination without pretreatment.For 99.84%,D2O concentration,the precision was better than 0.001.The determined range of D2O was 99.92%-0.015%.

【关键词】 D2O傅立叶红外光谱浓度
【Key words】 D2OFourier infra-red spectrophotometryconcentration
  • 【分类号】O433.1
  • 【被引频次】9
  • 【下载频次】245
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