Water quality detection device and method
A water quality detection and detection cell technology, which is applied to measurement devices, material analysis by electromagnetic means, instruments, etc., can solve the problems of poor measurement accuracy of detection devices, affecting the stability of electrode measurement, and inaccurate addition volume, etc. Good accuracy, strong electrode activity durability, ensuring long-term unchanged effect
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Embodiment 1
[0044] figure 1 Schematically provides a simplified structural diagram of the water quality detection device of the embodiment of the present invention, as figure 1 As shown, the water quality detection device includes:
[0045] An electrode 42 and a detection cell 41 , the electrode 42 is set in the detection cell 41 . Both the electrodes 42 and the detection cell 41 are prior art in this field, and will not be repeated here.
[0046] A liquid discharge port 43, the liquid discharge port 43 is arranged on the detection pool 41, and the bottom surface of the liquid discharge port 43 is higher than the bottom surface of the electrode 42, so that the liquid in the detection pool 41 cannot be drained. for protecting the electrodes 42;
[0047] A liquid discharge channel, the liquid discharge channel communicates with the liquid discharge port.
[0048] The first switching unit 3, the first switching unit 3 is used to selectively communicate the drain port with the water sampl...
Embodiment 2
[0055] image 3 Schematically provides a simplified structural diagram of the water quality detection device of the embodiment of the present invention, as image 3 As shown, the water quality detection device includes:
[0056]An electrode 42 and a detection cell 41 , the electrode 42 is set in the detection cell 41 . Both the electrodes 42 and the detection cell 41 are prior art in this field, and will not be repeated here.
[0057] A liquid discharge port 43, the liquid discharge port 43 is arranged on the detection pool 41, and the bottom surface of the liquid discharge port 43 is higher than the bottom surface of the electrode 42, so that the liquid in the detection pool 41 cannot be drained. for protecting the electrodes 42;
[0058] a liquid discharge channel, the liquid discharge channel is in communication with the liquid discharge port;
[0059] A liquid inlet 44, the liquid inlet 44 is arranged on the detection pool, and the bottom surface of the liquid inlet 44...
Embodiment 3
[0072] An application example of the water quality detection device and method according to Embodiment 1 of the present invention. In this application example, the simultaneous detection of lead, cadmium, copper and zinc is carried out by using the same position mercury plating and the standard comparison method.
[0073] Figure 5 Schematically provides a schematic structural diagram of the detection pool of the embodiment of the present invention, as Figure 5 As shown, in order to reduce the residual solution, the inner bottom of the detection cell 41 is made trapezoidal or hemispherical.
[0074] The specific detection method is as follows: through the switching of the first switching unit, the work of the suction unit and the quantitative unit, the quantified reagent and sample enter the detection pool 41 from the hole 43 respectively, and the reagent is mixed with the sample under the agitation of the stirrer, and the detection unit Detect the mixed reaction solution t...
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