Seashell monitoring method for fresh water environment heavy metal pollution and microelement accumulation
A trace element and pollution monitoring technology, which is applied in the direction of general water supply saving, testing water, measuring devices, etc., to achieve the effect of simple pre-treatment method, good stability and strong comparability
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Embodiment 1
[0022] A shellfish monitoring method for heavy metal pollution and trace element accumulation in a freshwater environment of the present invention adopts the following process steps:
[0023] The samples of Anodonta dorsalis (40 individuals) were collected from four sampling points around Taihu Lake in 2006: Wuli Lake in Wuxi, Huzhou, Manshan in Suzhou and Dapu in Yixing.
[0024] The collected live dentate mussels were temporarily raised in aerated water for 3 days to empty the intestinal debris, and then the biological properties such as shell length, shell height, shell width, and shell weight were measured. Then the soft tissue was dissected to obtain the soft tissue, which was stored in a -20°C refrigerator after weighing. After thawing, rinse 6 times with ultrapure water (Millipore, USA, Milliprore-Simplicity personal ultrapure water system, outlet water resistivity 18.2M Ω.cm), and dry in a drying oven at 70°C for 18 hours to constant weight; Grind the dry soft tissue ...
Embodiment 2
[0028] A shellfish monitoring method for heavy metal pollution and trace element accumulation in a freshwater environment of the present invention adopts the following process steps:
[0029] The samples of Anodonta dorsalis (40 individuals) were collected from four sampling points around Taihu Lake in 2006: Wuli Lake in Wuxi, Huzhou, Manshan in Suzhou and Dapu in Yixing.
[0030] The collected live dentate mussels were temporarily raised in aerated water for 4 days to empty the intestinal debris, and then the biological properties such as shell length, shell height, shell width, and shell weight were measured. Then the soft tissue was dissected to obtain the soft tissue, which was stored in a -18°C refrigerator after weighing. After thawing, rinse with ultrapure water (Millipro, USA, Milliprore-Simplicity personal ultrapure water system, outlet water resistivity 18.2M Ω.cm) water for 7 times, and dry in a drying oven at 80°C for 12h to constant weight; The dried soft tissue ...
Embodiment 3
[0034] A shellfish monitoring method for heavy metal pollution and trace element accumulation in a freshwater environment of the present invention adopts the following process steps:
[0035] The samples of Anodonta dorsalis (40 individuals) were collected from four sampling points around Taihu Lake in 2006: Wuli Lake in Wuxi, Huzhou, Manshan in Suzhou and Dapu in Yixing.
[0036] The collected live dentate mussels were kept temporarily in aerated water for a period of time to make them empty the intestinal debris, and then measure the biological properties such as shell length, shell height, shell width, and shell weight. Then the soft tissues were dissected and weighed and stored in a -19°C refrigerator for use. After thawing, rinse with ultrapure water (Millipro, USA, Milliprore-Simplicity personal ultrapure water system, outlet water resistivity 18.2M Ω.cm) water for 8 times, and dry in a drying oven at 60°C for 20h to constant weight; Grind the dry soft tissue samples of...
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