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首页> 外文会议>International Measurement Federation world congress >COULOMETRIC DETERMINATION OF AMOUNT CONTENT OF POTASSIUM DICHROMATE FOR COMPARABILITY ASSESSMENT THROUGH A BILATERAL COMPARISON
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COULOMETRIC DETERMINATION OF AMOUNT CONTENT OF POTASSIUM DICHROMATE FOR COMPARABILITY ASSESSMENT THROUGH A BILATERAL COMPARISON

机译：通过双向比较进行容量评估的库仑法测定重铬酸钾含量。

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A bilateral comparison between the National Metrology Institute (NMI) from Brazil (INMETRO) and Russia (UNIIM) for determining the amount content of potassium dichromate to assess the comparability of their measurements were performed. Samples of high purity potassium dichromate were exchanged and analysed by the INMs. The technique used was constant-current coulometry. Good comparability for one of the samples was obtained. After bias corrections in their measurements, both INMs will be able to certify reference materials of potassium dichromate that can be used for guaranteeing the quality of redox titrations in their countries.
机译：巴西（INMETRO）和俄罗斯（UNIIM）的国家计量研究所（NMI）之间进行了双边比较，以确定重铬酸钾的含量，以评估其测量的可比性。交换了高纯度重铬酸钾样品，并通过INM进行了分析。使用的技术是恒流库仑法。获得了样品之一的良好可比性。在对其测量值进行偏差校正后，两个INM都将能够认证重铬酸钾的参考物质，这些物质可用于保证其国家的氧化还原滴定的质量。

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