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海水中溶解有机碳的测定方法
杨鹤呜1, 孙作庆1, 纪明侯1
中国科学院海洋研究所
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DETERMINATION OF DISSOLVED ORGANIC CARBON IN SEAWATER
Abstract:
This article presents an improved method for the determination of dissolved organic carbon (DOC) in seawater with an infrared CO2 gas analyzer as proposed by Menzel and Vaccaro[60]. Within the concentration range of DOC from 0.5 to 4 mgC/L, the relative standard deviation, the recovery, blank and the lowest limit of the determination are <5%, >97%, 0.1 mgC/L and 0.05 mgC/L, respectively. At least 20 samples can be analyzed in an hour with this method.
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