Analyzing and measuring method for chlorophyll a of phytoplankton in eutrophic water
A phytoplankton and eutrophication technology, which is applied in the analysis and determination of chlorophyll a of phytoplankton in eutrophic water bodies, the analysis and determination of phytoplankton chlorophyll a in eutrophic water bodies, and the extraction field, which can solve the problems of incomplete extraction and operation. The process is complicated, toxic and other problems, to achieve the complete effect of extraction
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Embodiment 1
[0029] Embodiment 1: Determination of chlorophyll a of phytoplankton in a certain city river course in Shanghai
[0030] According to the traditional sampling method for detecting the chlorophyll of the phytoplankton in the water body, after collecting the water samples of a river course in Shanghai, use the hot ethanol method of the present invention and the traditional grinding method to measure the chlorophyll a of the phytoplankton in the water body according to the following steps.
[0031] (1) For the concentration of chlorophyll a of phytoplankton in the water body measured by hot ethanol method:
[0032] Take 200ml of water sample for suction filtration (using glass fiber filter membrane with diameter of 47mm and pore size of 0.22μm and mixed fiber filter membrane with diameter of 60mm and pore size of 0.45μm for suction filtration), put the filter membrane and the phytoplankton attached to it in Put it into a 10mL centrifuge tube with a stopper, and then put it in a -...
Embodiment 2
[0044] Embodiment 2: Determination of chlorophyll a of phytoplankton in a certain park in Shanghai
[0045] According to the traditional sampling method for detecting chlorophyll of phytoplankton in the water body, water samples of a park in Shanghai were collected, and the concentration of chlorophyll a of phytoplankton in the water body was measured using the hot ethanol method of the present invention and the traditional grinding method.
[0046] (1) For the concentration of chlorophyll a of phytoplankton in the water body measured by hot ethanol method:
[0047] Take 500ml water sample for suction filtration (using a glass fiber filter membrane with a diameter of 47mm and a pore size of 0.22μm), put the filter membrane after suction filtration and the phytoplankton attached to it into a 10mL centrifuge tube with stopper, and then put it into -18 Freeze in the refrigerator for 8 hours at ℃, take out the centrifuge tube with stopper and return to room temperature, add 10mL o...
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