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本文介绍一种沉积物中有机碳的测定方法。样品是采用沉积物中碳酸盐测定后的残渣,用240C型元素分析仪测定。当样品中碳酸盐含量大于10％时,有机碳结果需校正。文章还讨论了方法的准确性和精确度。
This article describes a method for the determination of organic carbon in sediments. The sample was taken from the carbonate residue in the sediment and was measured with a 240C elemental analyzer. Organic carbon results need to be corrected when the carbonate content in the sample is greater than 10%. The article also discusses the accuracy and precision of the method.