The fluorescence spectrum of humic substance, the organic substance contained in river and lake water, was measured. The fluorescence properties of humic substance varies depending on the environment in which the Preparation measured. The fluorescence properties of humic substance varies depending on the environment in which thesubstance is produced and thus, the 3D fluorescence spectrum is currently used as the main method to identify the fluorescence properties of humic substance. F-7000 obtains data at 60,000 nm/min by the ultra-high speed scanning. Thus, even when there is a large number of samples, the fluorescence properties can be confirmed easily. This time, the standard of the humic substance in natural water was used to measure the humic substance concentration in river water. By using the standard, it is possible to compare the result with the reported value.

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湖泊中腐殖質(zhì)的測定.pdf