Water microorganism metering device and its metering method
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A metering device and microbial technology, applied in enzymology/microbiology devices, biochemical cleaning devices, biochemical equipment and methods, etc., can solve the problems of being susceptible to environmental pollution, cumbersome operation, poor accuracy, etc. , Simple operation and high accuracy
Inactive Publication Date: 2018-03-13
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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[0004] The disadvantages of the above methods are: time-consuming, cumbersome operation, easy to be polluted by the environment, and the results obtained are not necessarily accurate, the more the dilution factor, the worse the accuracy, and the specific number of microorganisms cannot be accurately obtained
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[0034] Step 1, put the microbial metering container 6 into the groove 4;
[0035] Step 2: Push out the superabsorbent resin 18 of the sampling rod 16 using the push-pull device 22 to collect a water sample from the water containing microorganisms, and then use the push-pull device 22 to pull the superabsorbent resin 18 containing the water sample back to protect the water sample Cover 23 miles to prevent the collected water samples from being affected by the external environment;
[0036] Step 3: Put the sampling rod 16 wrapped with one end of the superabsorbent resin 18 into the microbial measuring container 6, insert the sampling rod 16 into the microbial measuring container 6, and protect the water sample cover (23) through the first layer of aluminum foil film 9 in sequence , the measurement solution 10, the second layer of aluminum foil film 9, the measurement solution 10 uses pure water, when the second layer of aluminum foil film 9 is pierced, the pure water flows from ...
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Abstract
The invention discloses an apparatus for metering microbes in water, and a method for metering microbes in water. The apparatus comprises a power supply port, an operating panel, a groove, a loading position, a microbe metering container, a lower container part, an upper container part, a film, a measured solution, a stirrer, a measuring electrode, a negative electrode, a positive electrode, a microbe collection terminal, a sampling rod, an anti-interference cap, super absorbent resin, magnets, a rotor and a motor, one end of the power supply port is connected with the negative electrode and the positive electrode, and when the other end of the power supply port is connected with the power supply, the microbes in the measured solution are negatively polarized on the negative electrode and are positively polarized on the positive electrode, and adjustment of the microbe collecting voltage and adjustment of the microbe metering voltage are alternately carried out through the operating panel; and the microbe metering apparatus applies an external voltage to make the microbes be polarized in order to make the microbes go through the zigzag electrodes, fall to the microbe collecting terminal and be metered, and the quantity of the microbes is directly displayed through a digital display panel. The apparatus and the method have the advantages of simplicity in operation, difficult interference of external factors to the measurement result, and high accuracy.
Description
technical field [0001] The invention relates to the field of microbial measurement, more specifically, to a microbial measurement device in water and a measurement method thereof. Background technique [0002] Water is the source of life and a natural environment where microorganisms widely exist. All kinds of natural water contain a certain number of microorganisms. The measurement of microorganisms in water is of great significance in ensuring the safety of water sources and controlling infectious diseases, and it is also an important indicator for evaluating water quality. [0003] For the measurement of microorganisms in water, there is a plate counting method, that is, after the sample to be tested is properly diluted, the microorganisms in it are fully dispersed into single cells, and a certain amount of diluted sample solution is applied to a plate, and after cultivation, each single cell grows Propagate to form colonies visible to the naked eye, that is, a single co...
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/34C12Q1/06
CPCG01N33/48735G01N2015/1062
Inventor 周应科侯金亮
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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