On-site multi-spot water-sample sampling device and COD (chemical oxygen demand) content detection method
A sampling device and water sample technology, applied in the field of spectral detection, can solve the problems of reagent consumption, long analysis time, and secondary pollution, and achieve the effects of simple and convenient operation, high collection efficiency, and accurate measurement
Inactive Publication Date: 2015-04-01
EAST CHINA JIAOTONG UNIVERSITY +2
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The invention relates to the technical field of spectrum detection, in particular to an on-site multi-spot water-sample sampling device and a COD (chemical oxygen demand) content detection method. The device comprises a submarine-type armature device, a sampling device and a remote control device. The method comprises the steps of (a) preparation of equipment, (b) sampling, (3) multi-point sampling, wherein the step (b) is repeated until all samples in a sampling chamber are taken, (d) sample recycling and (e) spectrum detection. Accurate advancing information and position information of the submarine-type armature device can be obtained in a water body, the device is more convenient to operate and control, and the COD content distribution condition of the water body can be measured more accurately; multiple samples can be collected after the device is launched once, and the collection efficiency is high; the COD content of the water body can be quickly and accurately measured through spectra, and no second pollution is caused to the water body.
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