Method for selectively and quantitatively collecting arsenic in water environment
A quantitative collection and water environment technology, applied in the preparation of test samples, sampling devices, etc., to achieve the effect of simple collection devices, avoid pollution, and save manpower and material resources
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Embodiment 1
[0034] Using 100 mg molecularly imprinted polymer, place it in the collection device together with the dialysis membrane, seal the collection device with a cellulose film, and then place 36 identical collection devices in a natural fresh water environment for 1 year. 3 months (calculated as 30 days), use atomic absorption spectrometry to determine As( ), and calculate the As( ) Average concentration.
[0035] At the same time, the conventional sampling method is used to take water samples from the collected waters every three days and use atomic absorption spectrometry to determine As ( )concentration. As measured by the present invention during the monitoring period ( ) And the As( ) Content ratio is in the range of 85%-120%, indicating that the present invention can accurately monitor As( ) Contaminate or contain As( ) In the water system of As( )content.
Embodiment 2
[0037] Using 80 mg molecularly imprinted polymer, put it together with chromatographic paper in the collection device, seal the collection device with a cellulose film, and then put 30 identical collection devices in the natural mineralized water system for 10 months. Take 3 out every month (calculated as 30 days), and determine As( ), and calculate the As( ), while using conventional sampling methods to take water samples collected every three days and use atomic absorption spectrometry to determine As( )concentration.
[0038] As measured by the present invention during the monitoring period ( ) And the As( ) Content ratio is in the range of 85%-120%, indicating that the present invention can accurately monitor As( ) Contaminate or contain As( ) In the water system of As( )content.
Embodiment 3
[0040] Use 50 mg of molecularly imprinted polymer, put it in the collection device together with the dialysis membrane, seal the collection device with a cellulose film, put 12 identical collection devices in the sewage, leave it for 1 month, and take it out every week 3, using atomic absorption spectrometry to determine As( ), and calculate the As( ), while using conventional sampling methods to take water samples collected every three days and use atomic absorption spectrometry to determine As( )concentration.
[0041] As measured by the present invention during the monitoring period ( ) And the As( ) Content ratio is in the range of 85%-120%, indicating that the present invention can accurately monitor As( ) Contaminate or contain As( ) In the water system of As( )content.
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